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-rw-r--r--fs/ext4/acl.c188
-rw-r--r--fs/ext4/extents.c2
-rw-r--r--fs/ext4/inode.c5
-rw-r--r--fs/ext4/resize.c79
-rw-r--r--fs/ext4/super.c283
-rw-r--r--fs/ext4/xattr.c2
6 files changed, 277 insertions, 282 deletions
diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c
index c7d04e165446..694ed6fadcc8 100644
--- a/fs/ext4/acl.c
+++ b/fs/ext4/acl.c
@@ -40,34 +40,35 @@ ext4_acl_from_disk(const void *value, size_t size)
acl = posix_acl_alloc(count, GFP_NOFS);
if (!acl)
return ERR_PTR(-ENOMEM);
- for (n=0; n < count; n++) {
+ for (n = 0; n < count; n++) {
ext4_acl_entry *entry =
(ext4_acl_entry *)value;
if ((char *)value + sizeof(ext4_acl_entry_short) > end)
goto fail;
acl->a_entries[n].e_tag = le16_to_cpu(entry->e_tag);
acl->a_entries[n].e_perm = le16_to_cpu(entry->e_perm);
- switch(acl->a_entries[n].e_tag) {
- case ACL_USER_OBJ:
- case ACL_GROUP_OBJ:
- case ACL_MASK:
- case ACL_OTHER:
- value = (char *)value +
- sizeof(ext4_acl_entry_short);
- acl->a_entries[n].e_id = ACL_UNDEFINED_ID;
- break;
-
- case ACL_USER:
- case ACL_GROUP:
- value = (char *)value + sizeof(ext4_acl_entry);
- if ((char *)value > end)
- goto fail;
- acl->a_entries[n].e_id =
- le32_to_cpu(entry->e_id);
- break;
-
- default:
+
+ switch (acl->a_entries[n].e_tag) {
+ case ACL_USER_OBJ:
+ case ACL_GROUP_OBJ:
+ case ACL_MASK:
+ case ACL_OTHER:
+ value = (char *)value +
+ sizeof(ext4_acl_entry_short);
+ acl->a_entries[n].e_id = ACL_UNDEFINED_ID;
+ break;
+
+ case ACL_USER:
+ case ACL_GROUP:
+ value = (char *)value + sizeof(ext4_acl_entry);
+ if ((char *)value > end)
goto fail;
+ acl->a_entries[n].e_id =
+ le32_to_cpu(entry->e_id);
+ break;
+
+ default:
+ goto fail;
}
}
if (value != end)
@@ -96,27 +97,26 @@ ext4_acl_to_disk(const struct posix_acl *acl, size_t *size)
return ERR_PTR(-ENOMEM);
ext_acl->a_version = cpu_to_le32(EXT4_ACL_VERSION);
e = (char *)ext_acl + sizeof(ext4_acl_header);
- for (n=0; n < acl->a_count; n++) {
+ for (n = 0; n < acl->a_count; n++) {
ext4_acl_entry *entry = (ext4_acl_entry *)e;
entry->e_tag = cpu_to_le16(acl->a_entries[n].e_tag);
entry->e_perm = cpu_to_le16(acl->a_entries[n].e_perm);
- switch(acl->a_entries[n].e_tag) {
- case ACL_USER:
- case ACL_GROUP:
- entry->e_id =
- cpu_to_le32(acl->a_entries[n].e_id);
- e += sizeof(ext4_acl_entry);
- break;
-
- case ACL_USER_OBJ:
- case ACL_GROUP_OBJ:
- case ACL_MASK:
- case ACL_OTHER:
- e += sizeof(ext4_acl_entry_short);
- break;
-
- default:
- goto fail;
+ switch (acl->a_entries[n].e_tag) {
+ case ACL_USER:
+ case ACL_GROUP:
+ entry->e_id = cpu_to_le32(acl->a_entries[n].e_id);
+ e += sizeof(ext4_acl_entry);
+ break;
+
+ case ACL_USER_OBJ:
+ case ACL_GROUP_OBJ:
+ case ACL_MASK:
+ case ACL_OTHER:
+ e += sizeof(ext4_acl_entry_short);
+ break;
+
+ default:
+ goto fail;
}
}
return (char *)ext_acl;
@@ -167,23 +167,23 @@ ext4_get_acl(struct inode *inode, int type)
if (!test_opt(inode->i_sb, POSIX_ACL))
return NULL;
- switch(type) {
- case ACL_TYPE_ACCESS:
- acl = ext4_iget_acl(inode, &ei->i_acl);
- if (acl != EXT4_ACL_NOT_CACHED)
- return acl;
- name_index = EXT4_XATTR_INDEX_POSIX_ACL_ACCESS;
- break;
-
- case ACL_TYPE_DEFAULT:
- acl = ext4_iget_acl(inode, &ei->i_default_acl);
- if (acl != EXT4_ACL_NOT_CACHED)
- return acl;
- name_index = EXT4_XATTR_INDEX_POSIX_ACL_DEFAULT;
- break;
-
- default:
- return ERR_PTR(-EINVAL);
+ switch (type) {
+ case ACL_TYPE_ACCESS:
+ acl = ext4_iget_acl(inode, &ei->i_acl);
+ if (acl != EXT4_ACL_NOT_CACHED)
+ return acl;
+ name_index = EXT4_XATTR_INDEX_POSIX_ACL_ACCESS;
+ break;
+
+ case ACL_TYPE_DEFAULT:
+ acl = ext4_iget_acl(inode, &ei->i_default_acl);
+ if (acl != EXT4_ACL_NOT_CACHED)
+ return acl;
+ name_index = EXT4_XATTR_INDEX_POSIX_ACL_DEFAULT;
+ break;
+
+ default:
+ return ERR_PTR(-EINVAL);
}
retval = ext4_xattr_get(inode, name_index, "", NULL, 0);
if (retval > 0) {
@@ -201,14 +201,14 @@ ext4_get_acl(struct inode *inode, int type)
kfree(value);
if (!IS_ERR(acl)) {
- switch(type) {
- case ACL_TYPE_ACCESS:
- ext4_iset_acl(inode, &ei->i_acl, acl);
- break;
-
- case ACL_TYPE_DEFAULT:
- ext4_iset_acl(inode, &ei->i_default_acl, acl);
- break;
+ switch (type) {
+ case ACL_TYPE_ACCESS:
+ ext4_iset_acl(inode, &ei->i_acl, acl);
+ break;
+
+ case ACL_TYPE_DEFAULT:
+ ext4_iset_acl(inode, &ei->i_default_acl, acl);
+ break;
}
}
return acl;
@@ -232,31 +232,31 @@ ext4_set_acl(handle_t *handle, struct inode *inode, int type,
if (S_ISLNK(inode->i_mode))
return -EOPNOTSUPP;
- switch(type) {
- case ACL_TYPE_ACCESS:
- name_index = EXT4_XATTR_INDEX_POSIX_ACL_ACCESS;
- if (acl) {
- mode_t mode = inode->i_mode;
- error = posix_acl_equiv_mode(acl, &mode);
- if (error < 0)
- return error;
- else {
- inode->i_mode = mode;
- ext4_mark_inode_dirty(handle, inode);
- if (error == 0)
- acl = NULL;
- }
+ switch (type) {
+ case ACL_TYPE_ACCESS:
+ name_index = EXT4_XATTR_INDEX_POSIX_ACL_ACCESS;
+ if (acl) {
+ mode_t mode = inode->i_mode;
+ error = posix_acl_equiv_mode(acl, &mode);
+ if (error < 0)
+ return error;
+ else {
+ inode->i_mode = mode;
+ ext4_mark_inode_dirty(handle, inode);
+ if (error == 0)
+ acl = NULL;
}
- break;
+ }
+ break;
- case ACL_TYPE_DEFAULT:
- name_index = EXT4_XATTR_INDEX_POSIX_ACL_DEFAULT;
- if (!S_ISDIR(inode->i_mode))
- return acl ? -EACCES : 0;
- break;
+ case ACL_TYPE_DEFAULT:
+ name_index = EXT4_XATTR_INDEX_POSIX_ACL_DEFAULT;
+ if (!S_ISDIR(inode->i_mode))
+ return acl ? -EACCES : 0;
+ break;
- default:
- return -EINVAL;
+ default:
+ return -EINVAL;
}
if (acl) {
value = ext4_acl_to_disk(acl, &size);
@@ -269,14 +269,14 @@ ext4_set_acl(handle_t *handle, struct inode *inode, int type,
kfree(value);
if (!error) {
- switch(type) {
- case ACL_TYPE_ACCESS:
- ext4_iset_acl(inode, &ei->i_acl, acl);
- break;
-
- case ACL_TYPE_DEFAULT:
- ext4_iset_acl(inode, &ei->i_default_acl, acl);
- break;
+ switch (type) {
+ case ACL_TYPE_ACCESS:
+ ext4_iset_acl(inode, &ei->i_acl, acl);
+ break;
+
+ case ACL_TYPE_DEFAULT:
+ ext4_iset_acl(inode, &ei->i_default_acl, acl);
+ break;
}
}
return error;
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index f7529e27d791..612c3d2c3824 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -1441,7 +1441,7 @@ unsigned int ext4_ext_check_overlap(struct inode *inode,
/*
* get the next allocated block if the extent in the path
- * is before the requested block(s)
+ * is before the requested block(s)
*/
if (b2 < b1) {
b2 = ext4_ext_next_allocated_block(path);
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 85a862c9c4cc..0080999d2cd4 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1054,10 +1054,9 @@ static void ext4_da_update_reserve_space(struct inode *inode, int used)
/*
+ * The ext4_get_blocks_wrap() function try to look up the requested blocks,
+ * and returns if the blocks are already mapped.
*
- *
- * ext4_ext4 get_block() wrapper function
- * It will do a look up first, and returns if the blocks already mapped.
* Otherwise it takes the write lock of the i_data_sem and allocate blocks
* and store the allocated blocks in the result buffer head and mark it
* mapped.
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index f000fbe2cd93..0a9265164265 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -73,7 +73,7 @@ static int verify_group_input(struct super_block *sb,
"Inode bitmap not in group (block %llu)",
(unsigned long long)input->inode_bitmap);
else if (outside(input->inode_table, start, end) ||
- outside(itend - 1, start, end))
+ outside(itend - 1, start, end))
ext4_warning(sb, __func__,
"Inode table not in group (blocks %llu-%llu)",
(unsigned long long)input->inode_table, itend - 1);
@@ -104,7 +104,7 @@ static int verify_group_input(struct super_block *sb,
(unsigned long long)input->inode_bitmap,
start, metaend - 1);
else if (inside(input->inode_table, start, metaend) ||
- inside(itend - 1, start, metaend))
+ inside(itend - 1, start, metaend))
ext4_warning(sb, __func__,
"Inode table (%llu-%llu) overlaps"
"GDT table (%llu-%llu)",
@@ -158,9 +158,9 @@ static int extend_or_restart_transaction(handle_t *handle, int thresh,
if (err) {
if ((err = ext4_journal_restart(handle, EXT4_MAX_TRANS_DATA)))
return err;
- if ((err = ext4_journal_get_write_access(handle, bh)))
+ if ((err = ext4_journal_get_write_access(handle, bh)))
return err;
- }
+ }
return 0;
}
@@ -416,11 +416,11 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
"EXT4-fs: ext4_add_new_gdb: adding group block %lu\n",
gdb_num);
- /*
- * If we are not using the primary superblock/GDT copy don't resize,
- * because the user tools have no way of handling this. Probably a
- * bad time to do it anyways.
- */
+ /*
+ * If we are not using the primary superblock/GDT copy don't resize,
+ * because the user tools have no way of handling this. Probably a
+ * bad time to do it anyways.
+ */
if (EXT4_SB(sb)->s_sbh->b_blocknr !=
le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block)) {
ext4_warning(sb, __func__,
@@ -507,14 +507,14 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
return 0;
exit_inode:
- //ext4_journal_release_buffer(handle, iloc.bh);
+ /* ext4_journal_release_buffer(handle, iloc.bh); */
brelse(iloc.bh);
exit_dindj:
- //ext4_journal_release_buffer(handle, dind);
+ /* ext4_journal_release_buffer(handle, dind); */
exit_primary:
- //ext4_journal_release_buffer(handle, *primary);
+ /* ext4_journal_release_buffer(handle, *primary); */
exit_sbh:
- //ext4_journal_release_buffer(handle, *primary);
+ /* ext4_journal_release_buffer(handle, *primary); */
exit_dind:
brelse(dind);
exit_bh:
@@ -818,12 +818,12 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
if ((err = ext4_journal_get_write_access(handle, sbi->s_sbh)))
goto exit_journal;
- /*
- * We will only either add reserved group blocks to a backup group
- * or remove reserved blocks for the first group in a new group block.
- * Doing both would be mean more complex code, and sane people don't
- * use non-sparse filesystems anymore. This is already checked above.
- */
+ /*
+ * We will only either add reserved group blocks to a backup group
+ * or remove reserved blocks for the first group in a new group block.
+ * Doing both would be mean more complex code, and sane people don't
+ * use non-sparse filesystems anymore. This is already checked above.
+ */
if (gdb_off) {
primary = sbi->s_group_desc[gdb_num];
if ((err = ext4_journal_get_write_access(handle, primary)))
@@ -835,24 +835,24 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
} else if ((err = add_new_gdb(handle, inode, input, &primary)))
goto exit_journal;
- /*
- * OK, now we've set up the new group. Time to make it active.
- *
- * Current kernels don't lock all allocations via lock_super(),
- * so we have to be safe wrt. concurrent accesses the group
- * data. So we need to be careful to set all of the relevant
- * group descriptor data etc. *before* we enable the group.
- *
- * The key field here is sbi->s_groups_count: as long as
- * that retains its old value, nobody is going to access the new
- * group.
- *
- * So first we update all the descriptor metadata for the new
- * group; then we update the total disk blocks count; then we
- * update the groups count to enable the group; then finally we
- * update the free space counts so that the system can start
- * using the new disk blocks.
- */
+ /*
+ * OK, now we've set up the new group. Time to make it active.
+ *
+ * Current kernels don't lock all allocations via lock_super(),
+ * so we have to be safe wrt. concurrent accesses the group
+ * data. So we need to be careful to set all of the relevant
+ * group descriptor data etc. *before* we enable the group.
+ *
+ * The key field here is sbi->s_groups_count: as long as
+ * that retains its old value, nobody is going to access the new
+ * group.
+ *
+ * So first we update all the descriptor metadata for the new
+ * group; then we update the total disk blocks count; then we
+ * update the groups count to enable the group; then finally we
+ * update the free space counts so that the system can start
+ * using the new disk blocks.
+ */
/* Update group descriptor block for new group */
gdp = (struct ext4_group_desc *)((char *)primary->b_data +
@@ -946,7 +946,8 @@ exit_put:
return err;
} /* ext4_group_add */
-/* Extend the filesystem to the new number of blocks specified. This entry
+/*
+ * Extend the filesystem to the new number of blocks specified. This entry
* point is only used to extend the current filesystem to the end of the last
* existing group. It can be accessed via ioctl, or by "remount,resize=<size>"
* for emergencies (because it has no dependencies on reserved blocks).
@@ -1024,7 +1025,7 @@ int ext4_group_extend(struct super_block *sb, struct ext4_super_block *es,
o_blocks_count + add, add);
/* See if the device is actually as big as what was requested */
- bh = sb_bread(sb, o_blocks_count + add -1);
+ bh = sb_bread(sb, o_blocks_count + add - 1);
if (!bh) {
ext4_warning(sb, __func__,
"can't read last block, resize aborted");
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index e34fc2d6dbf5..09e3c56782a7 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -49,20 +49,19 @@ static int ext4_load_journal(struct super_block *, struct ext4_super_block *,
unsigned long journal_devnum);
static int ext4_create_journal(struct super_block *, struct ext4_super_block *,
unsigned int);
-static void ext4_commit_super (struct super_block * sb,
- struct ext4_super_block * es,
- int sync);
-static void ext4_mark_recovery_complete(struct super_block * sb,
- struct ext4_super_block * es);
-static void ext4_clear_journal_err(struct super_block * sb,
- struct ext4_super_block * es);
+static void ext4_commit_super(struct super_block *sb,
+ struct ext4_super_block *es, int sync);
+static void ext4_mark_recovery_complete(struct super_block *sb,
+ struct ext4_super_block *es);
+static void ext4_clear_journal_err(struct super_block *sb,
+ struct ext4_super_block *es);
static int ext4_sync_fs(struct super_block *sb, int wait);
-static const char *ext4_decode_error(struct super_block * sb, int errno,
+static const char *ext4_decode_error(struct super_block *sb, int errno,
char nbuf[16]);
-static int ext4_remount (struct super_block * sb, int * flags, char * data);
-static int ext4_statfs (struct dentry * dentry, struct kstatfs * buf);
+static int ext4_remount(struct super_block *sb, int *flags, char *data);
+static int ext4_statfs(struct dentry *dentry, struct kstatfs *buf);
static void ext4_unlockfs(struct super_block *sb);
-static void ext4_write_super (struct super_block * sb);
+static void ext4_write_super(struct super_block *sb);
static void ext4_write_super_lockfs(struct super_block *sb);
@@ -211,15 +210,15 @@ static void ext4_handle_error(struct super_block *sb)
if (sb->s_flags & MS_RDONLY)
return;
- if (!test_opt (sb, ERRORS_CONT)) {
+ if (!test_opt(sb, ERRORS_CONT)) {
journal_t *journal = EXT4_SB(sb)->s_journal;
EXT4_SB(sb)->s_mount_opt |= EXT4_MOUNT_ABORT;
if (journal)
jbd2_journal_abort(journal, -EIO);
}
- if (test_opt (sb, ERRORS_RO)) {
- printk (KERN_CRIT "Remounting filesystem read-only\n");
+ if (test_opt(sb, ERRORS_RO)) {
+ printk(KERN_CRIT "Remounting filesystem read-only\n");
sb->s_flags |= MS_RDONLY;
}
ext4_commit_super(sb, es, 1);
@@ -228,13 +227,13 @@ static void ext4_handle_error(struct super_block *sb)
sb->s_id);
}
-void ext4_error (struct super_block * sb, const char * function,
- const char * fmt, ...)
+void ext4_error(struct super_block *sb, const char *function,
+ const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
- printk(KERN_CRIT "EXT4-fs error (device %s): %s: ",sb->s_id, function);
+ printk(KERN_CRIT "EXT4-fs error (device %s): %s: ", sb->s_id, function);
vprintk(fmt, args);
printk("\n");
va_end(args);
@@ -242,7 +241,7 @@ void ext4_error (struct super_block * sb, const char * function,
ext4_handle_error(sb);
}
-static const char *ext4_decode_error(struct super_block * sb, int errno,
+static const char *ext4_decode_error(struct super_block *sb, int errno,
char nbuf[16])
{
char *errstr = NULL;
@@ -278,8 +277,7 @@ static const char *ext4_decode_error(struct super_block * sb, int errno,
/* __ext4_std_error decodes expected errors from journaling functions
* automatically and invokes the appropriate error response. */
-void __ext4_std_error (struct super_block * sb, const char * function,
- int errno)
+void __ext4_std_error(struct super_block *sb, const char *function, int errno)
{
char nbuf[16];
const char *errstr;
@@ -292,8 +290,8 @@ void __ext4_std_error (struct super_block * sb, const char * function,
return;
errstr = ext4_decode_error(sb, errno, nbuf);
- printk (KERN_CRIT "EXT4-fs error (device %s) in %s: %s\n",
- sb->s_id, function, errstr);
+ printk(KERN_CRIT "EXT4-fs error (device %s) in %s: %s\n",
+ sb->s_id, function, errstr);
ext4_handle_error(sb);
}
@@ -308,15 +306,15 @@ void __ext4_std_error (struct super_block * sb, const char * function,
* case we take the easy way out and panic immediately.
*/
-void ext4_abort (struct super_block * sb, const char * function,
- const char * fmt, ...)
+void ext4_abort(struct super_block *sb, const char *function,
+ const char *fmt, ...)
{
va_list args;
- printk (KERN_CRIT "ext4_abort called.\n");
+ printk(KERN_CRIT "ext4_abort called.\n");
va_start(args, fmt);
- printk(KERN_CRIT "EXT4-fs error (device %s): %s: ",sb->s_id, function);
+ printk(KERN_CRIT "EXT4-fs error (device %s): %s: ", sb->s_id, function);
vprintk(fmt, args);
printk("\n");
va_end(args);
@@ -334,8 +332,8 @@ void ext4_abort (struct super_block * sb, const char * function,
jbd2_journal_abort(EXT4_SB(sb)->s_journal, -EIO);
}
-void ext4_warning (struct super_block * sb, const char * function,
- const char * fmt, ...)
+void ext4_warning(struct super_block *sb, const char *function,
+ const char *fmt, ...)
{
va_list args;
@@ -496,7 +494,7 @@ static void dump_orphan_list(struct super_block *sb, struct ext4_sb_info *sbi)
}
}
-static void ext4_put_super (struct super_block * sb)
+static void ext4_put_super(struct super_block *sb)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct ext4_super_block *es = sbi->s_es;
@@ -647,7 +645,8 @@ static void ext4_clear_inode(struct inode *inode)
&EXT4_I(inode)->jinode);
}
-static inline void ext4_show_quota_options(struct seq_file *seq, struct super_block *sb)
+static inline void ext4_show_quota_options(struct seq_file *seq,
+ struct super_block *sb)
{
#if defined(CONFIG_QUOTA)
struct ext4_sb_info *sbi = EXT4_SB(sb);
@@ -822,8 +821,8 @@ static struct dentry *ext4_fh_to_parent(struct super_block *sb, struct fid *fid,
}
#ifdef CONFIG_QUOTA
-#define QTYPE2NAME(t) ((t)==USRQUOTA?"user":"group")
-#define QTYPE2MOPT(on, t) ((t)==USRQUOTA?((on)##USRJQUOTA):((on)##GRPJQUOTA))
+#define QTYPE2NAME(t) ((t) == USRQUOTA?"user":"group")
+#define QTYPE2MOPT(on, t) ((t) == USRQUOTA?((on)##USRJQUOTA):((on)##GRPJQUOTA))
static int ext4_dquot_initialize(struct inode *inode, int type);
static int ext4_dquot_drop(struct inode *inode);
@@ -991,12 +990,12 @@ static ext4_fsblk_t get_sb_block(void **data)
return sb_block;
}
-static int parse_options (char *options, struct super_block *sb,
- unsigned int *inum, unsigned long *journal_devnum,
- ext4_fsblk_t *n_blocks_count, int is_remount)
+static int parse_options(char *options, struct super_block *sb,
+ unsigned int *inum, unsigned long *journal_devnum,
+ ext4_fsblk_t *n_blocks_count, int is_remount)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
- char * p;
+ char *p;
substring_t args[MAX_OPT_ARGS];
int data_opt = 0;
int option;
@@ -1009,7 +1008,7 @@ static int parse_options (char *options, struct super_block *sb,
if (!options)
return 1;
- while ((p = strsep (&options, ",")) != NULL) {
+ while ((p = strsep(&options, ",")) != NULL) {
int token;
if (!*p)
continue;
@@ -1017,16 +1016,16 @@ static int parse_options (char *options, struct super_block *sb,
token = match_token(p, tokens, args);
switch (token) {
case Opt_bsd_df:
- clear_opt (sbi->s_mount_opt, MINIX_DF);
+ clear_opt(sbi->s_mount_opt, MINIX_DF);
break;
case Opt_minix_df:
- set_opt (sbi->s_mount_opt, MINIX_DF);
+ set_opt(sbi->s_mount_opt, MINIX_DF);
break;
case Opt_grpid:
- set_opt (sbi->s_mount_opt, GRPID);
+ set_opt(sbi->s_mount_opt, GRPID);
break;
case Opt_nogrpid:
- clear_opt (sbi->s_mount_opt, GRPID);
+ clear_opt(sbi->s_mount_opt, GRPID);
break;
case Opt_resuid:
if (match_int(&args[0], &option))
@@ -1043,41 +1042,41 @@ static int parse_options (char *options, struct super_block *sb,
/* *sb_block = match_int(&args[0]); */
break;
case Opt_err_panic:
- clear_opt (sbi->s_mount_opt, ERRORS_CONT);
- clear_opt (sbi->s_mount_opt, ERRORS_RO);
- set_opt (sbi->s_mount_opt, ERRORS_PANIC);
+ clear_opt(sbi->s_mount_opt, ERRORS_CONT);
+ clear_opt(sbi->s_mount_opt, ERRORS_RO);
+ set_opt(sbi->s_mount_opt, ERRORS_PANIC);
break;
case Opt_err_ro:
- clear_opt (sbi->s_mount_opt, ERRORS_CONT);
- clear_opt (sbi->s_mount_opt, ERRORS_PANIC);
- set_opt (sbi->s_mount_opt, ERRORS_RO);
+ clear_opt(sbi->s_mount_opt, ERRORS_CONT);
+ clear_opt(sbi->s_mount_opt, ERRORS_PANIC);
+ set_opt(sbi->s_mount_opt, ERRORS_RO);
break;
case Opt_err_cont:
- clear_opt (sbi->s_mount_opt, ERRORS_RO);
- clear_opt (sbi->s_mount_opt, ERRORS_PANIC);
- set_opt (sbi->s_mount_opt, ERRORS_CONT);
+ clear_opt(sbi->s_mount_opt, ERRORS_RO);
+ clear_opt(sbi->s_mount_opt, ERRORS_PANIC);
+ set_opt(sbi->s_mount_opt, ERRORS_CONT);
break;
case Opt_nouid32:
- set_opt (sbi->s_mount_opt, NO_UID32);
+ set_opt(sbi->s_mount_opt, NO_UID32);
break;
case Opt_nocheck:
- clear_opt (sbi->s_mount_opt, CHECK);
+ clear_opt(sbi->s_mount_opt, CHECK);
break;
case Opt_debug:
- set_opt (sbi->s_mount_opt, DEBUG);
+ set_opt(sbi->s_mount_opt, DEBUG);
break;
case Opt_oldalloc:
- set_opt (sbi->s_mount_opt, OLDALLOC);
+ set_opt(sbi->s_mount_opt, OLDALLOC);
break;
case Opt_orlov:
- clear_opt (sbi->s_mount_opt, OLDALLOC);
+ clear_opt(sbi->s_mount_opt, OLDALLOC);
break;
#ifdef CONFIG_EXT4DEV_FS_XATTR
case Opt_user_xattr:
- set_opt (sbi->s_mount_opt, XATTR_USER);
+ set_opt(sbi->s_mount_opt, XATTR_USER);
break;
case Opt_nouser_xattr:
- clear_opt (sbi->s_mount_opt, XATTR_USER);
+ clear_opt(sbi->s_mount_opt, XATTR_USER);
break;
#else
case Opt_user_xattr:
@@ -1115,7 +1114,7 @@ static int parse_options (char *options, struct super_block *sb,
"journal on remount\n");
return 0;
}
- set_opt (sbi->s_mount_opt, UPDATE_JOURNAL);
+ set_opt(sbi->s_mount_opt, UPDATE_JOURNAL);
break;
case Opt_journal_inum:
if (is_remount) {
@@ -1145,7 +1144,7 @@ static int parse_options (char *options, struct super_block *sb,
set_opt(sbi->s_mount_opt, JOURNAL_CHECKSUM);
break;
case Opt_noload:
- set_opt (sbi->s_mount_opt, NOLOAD);
+ set_opt(sbi->s_mount_opt, NOLOAD);
break;
case Opt_commit:
if (match_int(&args[0], &option))
@@ -1331,7 +1330,7 @@ set_qf_format:
"on this filesystem, use tune2fs\n");
return 0;
}
- set_opt (sbi->s_mount_opt, EXTENTS);
+ set_opt(sbi->s_mount_opt, EXTENTS);
break;
case Opt_noextents:
/*
@@ -1348,7 +1347,7 @@ set_qf_format:
"-o noextents options\n");
return 0;
}
- clear_opt (sbi->s_mount_opt, EXTENTS);
+ clear_opt(sbi->s_mount_opt, EXTENTS);
break;
case Opt_i_version:
set_opt(sbi->s_mount_opt, I_VERSION);
@@ -1374,9 +1373,9 @@ set_qf_format:
set_opt(sbi->s_mount_opt, DELALLOC);
break;
default:
- printk (KERN_ERR
- "EXT4-fs: Unrecognized mount option \"%s\" "
- "or missing value\n", p);
+ printk(KERN_ERR
+ "EXT4-fs: Unrecognized mount option \"%s\" "
+ "or missing value\n", p);
return 0;
}
}
@@ -1423,31 +1422,31 @@ static int ext4_setup_super(struct super_block *sb, struct ext4_super_block *es,
int res = 0;
if (le32_to_cpu(es->s_rev_level) > EXT4_MAX_SUPP_REV) {
- printk (KERN_ERR "EXT4-fs warning: revision level too high, "
- "forcing read-only mode\n");
+ printk(KERN_ERR "EXT4-fs warning: revision level too high, "
+ "forcing read-only mode\n");
res = MS_RDONLY;
}
if (read_only)
return res;
if (!(sbi->s_mount_state & EXT4_VALID_FS))
- printk (KERN_WARNING "EXT4-fs warning: mounting unchecked fs, "
- "running e2fsck is recommended\n");
+ printk(KERN_WARNING "EXT4-fs warning: mounting unchecked fs, "
+ "running e2fsck is recommended\n");
else if ((sbi->s_mount_state & EXT4_ERROR_FS))
- printk (KERN_WARNING
- "EXT4-fs warning: mounting fs with errors, "
- "running e2fsck is recommended\n");
+ printk(KERN_WARNING
+ "EXT4-fs warning: mounting fs with errors, "
+ "running e2fsck is recommended\n");
else if ((__s16) le16_to_cpu(es->s_max_mnt_count) >= 0 &&
le16_to_cpu(es->s_mnt_count) >=
(unsigned short) (__s16) le16_to_cpu(es->s_max_mnt_count))
- printk (KERN_WARNING
- "EXT4-fs warning: maximal mount count reached, "
- "running e2fsck is recommended\n");
+ printk(KERN_WARNING
+ "EXT4-fs warning: maximal mount count reached, "
+ "running e2fsck is recommended\n");
else if (le32_to_cpu(es->s_checkinterval) &&
(le32_to_cpu(es->s_lastcheck) +
le32_to_cpu(es->s_checkinterval) <= get_seconds()))
- printk (KERN_WARNING
- "EXT4-fs warning: checktime reached, "
- "running e2fsck is recommended\n");
+ printk(KERN_WARNING
+ "EXT4-fs warning: checktime reached, "
+ "running e2fsck is recommended\n");
#if 0
/* @@@ We _will_ want to clear the valid bit if we find
* inconsistencies, to force a fsck at reboot. But for
@@ -1596,16 +1595,14 @@ static int ext4_check_descriptors(struct super_block *sb)
(EXT4_BLOCKS_PER_GROUP(sb) - 1);
block_bitmap = ext4_block_bitmap(sb, gdp);
- if (block_bitmap < first_block || block_bitmap > last_block)
- {
+ if (block_bitmap < first_block || block_bitmap > last_block) {
printk(KERN_ERR "EXT4-fs: ext4_check_descriptors: "
"Block bitmap for group %lu not in group "
"(block %llu)!", i, block_bitmap);
return 0;
}
inode_bitmap = ext4_inode_bitmap(sb, gdp);
- if (inode_bitmap < first_block || inode_bitmap > last_block)
- {
+ if (inode_bitmap < first_block || inode_bitmap > last_block) {
printk(KERN_ERR "EXT4-fs: ext4_check_descriptors: "
"Inode bitmap for group %lu not in group "
"(block %llu)!", i, inode_bitmap);
@@ -1613,8 +1610,7 @@ static int ext4_check_descriptors(struct super_block *sb)
}
inode_table = ext4_inode_table(sb, gdp);
if (inode_table < first_block ||
- inode_table + sbi->s_itb_per_group - 1 > last_block)
- {
+ inode_table + sbi->s_itb_per_group - 1 > last_block) {
printk(KERN_ERR "EXT4-fs: ext4_check_descriptors: "
"Inode table for group %lu not in group "
"(block %llu)!", i, inode_table);
@@ -1635,7 +1631,7 @@ static int ext4_check_descriptors(struct super_block *sb)
}
ext4_free_blocks_count_set(sbi->s_es, ext4_count_free_blocks(sb));
- sbi->s_es->s_free_inodes_count=cpu_to_le32(ext4_count_free_inodes(sb));
+ sbi->s_es->s_free_inodes_count = cpu_to_le32(ext4_count_free_inodes(sb));
return 1;
}
@@ -1656,8 +1652,8 @@ static int ext4_check_descriptors(struct super_block *sb)
* e2fsck was run on this filesystem, and it must have already done the orphan
* inode cleanup for us, so we can safely abort without any further action.
*/
-static void ext4_orphan_cleanup (struct super_block * sb,
- struct ext4_super_block * es)
+static void ext4_orphan_cleanup(struct super_block *sb,
+ struct ext4_super_block *es)
{
unsigned int s_flags = sb->s_flags;
int nr_orphans = 0, nr_truncates = 0;
@@ -1734,7 +1730,7 @@ static void ext4_orphan_cleanup (struct super_block * sb,
iput(inode); /* The delete magic happens here! */
}
-#define PLURAL(x) (x), ((x)==1) ? "" : "s"
+#define PLURAL(x) (x), ((x) == 1) ? "" : "s"
if (nr_orphans)
printk(KERN_INFO "EXT4-fs: %s: %d orphan inode%s deleted\n",
@@ -1901,12 +1897,12 @@ static unsigned long ext4_get_stripe_size(struct ext4_sb_info *sbi)
return 0;
}
-static int ext4_fill_super (struct super_block *sb, void *data, int silent)
+static int ext4_fill_super(struct super_block *sb, void *data, int silent)
__releases(kernel_lock)
__acquires(kernel_lock)
{
- struct buffer_head * bh;
+ struct buffer_head *bh;
struct ext4_super_block *es = NULL;
struct ext4_sb_info *sbi;
ext4_fsblk_t block;
@@ -1955,7 +1951,7 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent)
}
if (!(bh = sb_bread(sb, logical_sb_block))) {
- printk (KERN_ERR "EXT4-fs: unable to read superblock\n");
+ printk(KERN_ERR "EXT4-fs: unable to read superblock\n");
goto out_fail;
}
/*
@@ -2028,8 +2024,8 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent)
set_opt(sbi->s_mount_opt, DELALLOC);
- if (!parse_options ((char *) data, sb, &journal_inum, &journal_devnum,
- NULL, 0))
+ if (!parse_options((char *) data, sb, &journal_inum, &journal_devnum,
+ NULL, 0))
goto failed_mount;
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
@@ -2104,7 +2100,7 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent)
goto failed_mount;
}
- brelse (bh);
+ brelse(bh);
logical_sb_block = sb_block * EXT4_MIN_BLOCK_SIZE;
offset = do_div(logical_sb_block, blocksize);
bh = sb_bread(sb, logical_sb_block);
@@ -2116,8 +2112,8 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent)
es = (struct ext4_super_block *)(((char *)bh->b_data) + offset);
sbi->s_es = es;
if (es->s_magic != cpu_to_le16(EXT4_SUPER_MAGIC)) {
- printk (KERN_ERR
- "EXT4-fs: Magic mismatch, very weird !\n");
+ printk(KERN_ERR
+ "EXT4-fs: Magic mismatch, very weird !\n");
goto failed_mount;
}
}
@@ -2134,9 +2130,9 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent)
if ((sbi->s_inode_size < EXT4_GOOD_OLD_INODE_SIZE) ||
(!is_power_of_2(sbi->s_inode_size)) ||
(sbi->s_inode_size > blocksize)) {
- printk (KERN_ERR
- "EXT4-fs: unsupported inode size: %d\n",
- sbi->s_inode_size);
+ printk(KERN_ERR
+ "EXT4-fs: unsupported inode size: %d\n",
+ sbi->s_inode_size);
goto failed_mount;
}
if (sbi->s_inode_size > EXT4_GOOD_OLD_INODE_SIZE)
@@ -2168,20 +2164,20 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent)
sbi->s_mount_state = le16_to_cpu(es->s_state);
sbi->s_addr_per_block_bits = ilog2(EXT4_ADDR_PER_BLOCK(sb));
sbi->s_desc_per_block_bits = ilog2(EXT4_DESC_PER_BLOCK(sb));
- for (i=0; i < 4; i++)
+ for (i = 0; i < 4; i++)
sbi->s_hash_seed[i] = le32_to_cpu(es->s_hash_seed[i]);
sbi->s_def_hash_version = es->s_def_hash_version;
if (sbi->s_blocks_per_group > blocksize * 8) {
- printk (KERN_ERR
- "EXT4-fs: #blocks per group too big: %lu\n",
- sbi->s_blocks_per_group);
+ printk(KERN_ERR
+ "EXT4-fs: #blocks per group too big: %lu\n",
+ sbi->s_blocks_per_group);
goto failed_mount;
}
if (sbi->s_inodes_per_group > blocksize * 8) {
- printk (KERN_ERR
- "EXT4-fs: #inodes per group too big: %lu\n",
- sbi->s_inodes_per_group);
+ printk(KERN_ERR
+ "EXT4-fs: #inodes per group too big: %lu\n",
+ sbi->s_inodes_per_group);
goto failed_mount;
}
@@ -2215,10 +2211,10 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent)
sbi->s_groups_count = blocks_count;
db_count = (sbi->s_groups_count + EXT4_DESC_PER_BLOCK(sb) - 1) /
EXT4_DESC_PER_BLOCK(sb);
- sbi->s_group_desc = kmalloc(db_count * sizeof (struct buffer_head *),
+ sbi->s_group_desc = kmalloc(db_count * sizeof(struct buffer_head *),
GFP_KERNEL);
if (sbi->s_group_desc == NULL) {
- printk (KERN_ERR "EXT4-fs: not enough memory\n");
+ printk(KERN_ERR "EXT4-fs: not enough memory\n");
goto failed_mount;
}
@@ -2228,13 +2224,13 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent)
block = descriptor_loc(sb, logical_sb_block, i);
sbi->s_group_desc[i] = sb_bread(sb, block);
if (!sbi->s_group_desc[i]) {
- printk (KERN_ERR "EXT4-fs: "
- "can't read group descriptor %d\n", i);
+ printk(KERN_ERR "EXT4-fs: "
+ "can't read group descriptor %d\n", i);
db_count = i;
goto failed_mount2;
}
}
- if (!ext4_check_descriptors (sb)) {
+ if (!ext4_check_descriptors(sb)) {
printk(KERN_ERR "EXT4-fs: group descriptors corrupted!\n");
goto failed_mount2;
}
@@ -2310,11 +2306,11 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent)
EXT4_SB(sb)->s_journal->j_failed_commit) {
printk(KERN_CRIT "EXT4-fs error (device %s): "
"ext4_fill_super: Journal transaction "
- "%u is corrupt\n", sb->s_id,
+ "%u is corrupt\n", sb->s_id,
EXT4_SB(sb)->s_journal->j_failed_commit);
- if (test_opt (sb, ERRORS_RO)) {
- printk (KERN_CRIT
- "Mounting filesystem read-only\n");
+ if (test_opt(sb, ERRORS_RO)) {
+ printk(KERN_CRIT
+ "Mounting filesystem read-only\n");
sb->s_flags |= MS_RDONLY;
EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS;
es->s_state |= cpu_to_le16(EXT4_ERROR_FS);
@@ -2334,9 +2330,9 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent)
goto failed_mount3;
} else {
if (!silent)
- printk (KERN_ERR
- "ext4: No journal on filesystem on %s\n",
- sb->s_id);
+ printk(KERN_ERR
+ "ext4: No journal on filesystem on %s\n",
+ sb->s_id);
goto failed_mount3;
}
@@ -2420,7 +2416,7 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent)
goto failed_mount4;
}
- ext4_setup_super (sb, es, sb->s_flags & MS_RDONLY);
+ ext4_setup_super(sb, es, sb->s_flags & MS_RDONLY);
/* determine the minimum size of new large inodes, if present */
if (sbi->s_inode_size > EXT4_GOOD_OLD_INODE_SIZE) {
@@ -2459,12 +2455,12 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent)
ext4_orphan_cleanup(sb, es);
EXT4_SB(sb)->s_mount_state &= ~EXT4_ORPHAN_FS;
if (needs_recovery)
- printk (KERN_INFO "EXT4-fs: recovery complete.\n");
+ printk(KERN_INFO "EXT4-fs: recovery complete.\n");
ext4_mark_recovery_complete(sb, es);
- printk (KERN_INFO "EXT4-fs: mounted filesystem with %s data mode.\n",
- test_opt(sb,DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA ? "journal":
- test_opt(sb,DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA ? "ordered":
- "writeback");
+ printk(KERN_INFO "EXT4-fs: mounted filesystem with %s data mode.\n",
+ test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA ? "journal":
+ test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA ? "ordered":
+ "writeback");
if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) {
printk(KERN_WARNING "EXT4-fs: Ignoring delalloc option - "
@@ -2577,14 +2573,14 @@ static journal_t *ext4_get_journal(struct super_block *sb,
static journal_t *ext4_get_dev_journal(struct super_block *sb,
dev_t j_dev)
{
- struct buffer_head * bh;
+ struct buffer_head *bh;
journal_t *journal;
ext4_fsblk_t start;
ext4_fsblk_t len;
int hblock, blocksize;
ext4_fsblk_t sb_block;
unsigned long offset;
- struct ext4_super_block * es;
+ struct ext4_super_block *es;
struct block_device *bdev;
bdev = ext4_blkdev_get(j_dev);
@@ -2699,8 +2695,8 @@ static int ext4_load_journal(struct super_block *sb,
"unavailable, cannot proceed.\n");
return -EROFS;
}
- printk (KERN_INFO "EXT4-fs: write access will "
- "be enabled during recovery.\n");
+ printk(KERN_INFO "EXT4-fs: write access will "
+ "be enabled during recovery.\n");
}
}
@@ -2753,8 +2749,8 @@ static int ext4_load_journal(struct super_block *sb,
return 0;
}
-static int ext4_create_journal(struct super_block * sb,
- struct ext4_super_block * es,
+static int ext4_create_journal(struct super_block *sb,
+ struct ext4_super_block *es,
unsigned int journal_inum)
{
journal_t *journal;
@@ -2795,9 +2791,8 @@ static int ext4_create_journal(struct super_block * sb,
return 0;
}
-static void ext4_commit_super (struct super_block * sb,
- struct ext4_super_block * es,
- int sync)
+static void ext4_commit_super(struct super_block *sb,
+ struct ext4_super_block *es, int sync)
{
struct buffer_head *sbh = EXT4_SB(sb)->s_sbh;
@@ -2818,8 +2813,8 @@ static void ext4_commit_super (struct super_block * sb,
* remounting) the filesystem readonly, then we will end up with a
* consistent fs on disk. Record that fact.
*/
-static void ext4_mark_recovery_complete(struct super_block * sb,
- struct ext4_super_block * es)
+static void ext4_mark_recovery_complete(struct super_block *sb,
+ struct ext4_super_block *es)
{
journal_t *journal = EXT4_SB(sb)->s_journal;
@@ -2841,8 +2836,8 @@ static void ext4_mark_recovery_complete(struct super_block * sb,
* has recorded an error from a previous lifetime, move that error to the
* main filesystem now.
*/
-static void ext4_clear_journal_err(struct super_block * sb,
- struct ext4_super_block * es)
+static void ext4_clear_journal_err(struct super_block *sb,
+ struct ext4_super_block *es)
{
journal_t *journal;
int j_errno;
@@ -2867,7 +2862,7 @@ static void ext4_clear_journal_err(struct super_block * sb,
EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS;
es->s_state |= cpu_to_le16(EXT4_ERROR_FS);
- ext4_commit_super (sb, es, 1);
+ ext4_commit_super(sb, es, 1);
jbd2_journal_clear_err(journal);
}
@@ -2900,7 +2895,7 @@ int ext4_force_commit(struct super_block *sb)
* This implicitly triggers the writebehind on sync().
*/
-static void ext4_write_super (struct super_block * sb)
+static void ext4_write_super(struct super_block *sb)
{
if (mutex_trylock(&sb->s_lock) != 0)
BUG();
@@ -2956,9 +2951,9 @@ static void ext4_unlockfs(struct super_block *sb)
}
}
-static int ext4_remount (struct super_block * sb, int * flags, char * data)
+static int ext4_remount(struct super_block *sb, int *flags, char *data)
{
- struct ext4_super_block * es;
+ struct ext4_super_block *es;
struct ext4_sb_info *sbi = EXT4_SB(sb);
ext4_fsblk_t n_blocks_count = 0;
unsigned long old_sb_flags;
@@ -3086,7 +3081,7 @@ static int ext4_remount (struct super_block * sb, int * flags, char * data)
sbi->s_mount_state = le16_to_cpu(es->s_state);
if ((err = ext4_group_extend(sb, es, n_blocks_count)))
goto restore_opts;
- if (!ext4_setup_super (sb, es, 0))
+ if (!ext4_setup_super(sb, es, 0))
sb->s_flags &= ~MS_RDONLY;
}
}
@@ -3116,7 +3111,7 @@ restore_opts:
return err;
}
-static int ext4_statfs (struct dentry * dentry, struct kstatfs * buf)
+static int ext4_statfs(struct dentry *dentry, struct kstatfs *buf)
{
struct super_block *sb = dentry->d_sb;
struct ext4_sb_info *sbi = EXT4_SB(sb);
@@ -3354,12 +3349,12 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id,
}
/* Journaling quota? */
if (EXT4_SB(sb)->s_qf_names[type]) {
- /* Quotafile not of fs root? */
+ /* Quotafile not in fs root? */
if (nd.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
printk(KERN_WARNING
"EXT4-fs: Quota file not on filesystem root. "
"Journaled quota will not work.\n");
- }
+ }
/*
* When we journal data on quota file, we have to flush journal to see
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 93c5fdcdad2e..8954208b4893 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -1512,7 +1512,7 @@ static inline void ext4_xattr_hash_entry(struct ext4_xattr_header *header,
char *name = entry->e_name;
int n;
- for (n=0; n < entry->e_name_len; n++) {
+ for (n = 0; n < entry->e_name_len; n++) {
hash = (hash << NAME_HASH_SHIFT) ^
(hash >> (8*sizeof(hash) - NAME_HASH_SHIFT)) ^
*name++;
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