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-rw-r--r--fs/ocfs2/aops.c4
-rw-r--r--fs/ocfs2/cluster/heartbeat.c9
-rw-r--r--fs/ocfs2/dlmglue.c10
-rw-r--r--fs/ocfs2/file.c22
-rw-r--r--fs/ocfs2/namei.c59
-rw-r--r--fs/ocfs2/ocfs2_fs.h4
-rw-r--r--fs/ocfs2/quota_local.c4
-rw-r--r--fs/ocfs2/refcounttree.c5
-rw-r--r--fs/ocfs2/stack_user.c9
9 files changed, 80 insertions, 46 deletions
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 1a35c6139656..0f5fd9db8194 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -685,7 +685,7 @@ static int ocfs2_direct_IO_zero_extend(struct ocfs2_super *osb,
if (p_cpos && !(ext_flags & OCFS2_EXT_UNWRITTEN)) {
u64 s = i_size_read(inode);
- sector_t sector = (p_cpos << (osb->s_clustersize_bits - 9)) +
+ sector_t sector = ((u64)p_cpos << (osb->s_clustersize_bits - 9)) +
(do_div(s, osb->s_clustersize) >> 9);
ret = blkdev_issue_zeroout(osb->sb->s_bdev, sector,
@@ -910,7 +910,7 @@ static ssize_t ocfs2_direct_IO_write(struct kiocb *iocb,
BUG_ON(!p_cpos || (ext_flags & OCFS2_EXT_UNWRITTEN));
ret = blkdev_issue_zeroout(osb->sb->s_bdev,
- p_cpos << (osb->s_clustersize_bits - 9),
+ (u64)p_cpos << (osb->s_clustersize_bits - 9),
zero_len_head >> 9, GFP_NOFS, false);
if (ret < 0)
mlog_errno(ret);
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index 16eff45727ee..140de3c93d2e 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -372,14 +372,13 @@ static void o2hb_wait_on_io(struct o2hb_region *reg,
wait_for_completion(&wc->wc_io_complete);
}
-static void o2hb_bio_end_io(struct bio *bio,
- int error)
+static void o2hb_bio_end_io(struct bio *bio)
{
struct o2hb_bio_wait_ctxt *wc = bio->bi_private;
- if (error) {
- mlog(ML_ERROR, "IO Error %d\n", error);
- wc->wc_error = error;
+ if (bio->bi_error) {
+ mlog(ML_ERROR, "IO Error %d\n", bio->bi_error);
+ wc->wc_error = bio->bi_error;
}
o2hb_bio_wait_dec(wc, 1);
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 8b23aa2f52dd..23157e40dd74 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -4025,9 +4025,13 @@ static void ocfs2_downconvert_thread_do_work(struct ocfs2_super *osb)
osb->dc_work_sequence = osb->dc_wake_sequence;
processed = osb->blocked_lock_count;
- while (processed) {
- BUG_ON(list_empty(&osb->blocked_lock_list));
-
+ /*
+ * blocked lock processing in this loop might call iput which can
+ * remove items off osb->blocked_lock_list. Downconvert up to
+ * 'processed' number of locks, but stop short if we had some
+ * removed in ocfs2_mark_lockres_freeing when downconverting.
+ */
+ while (processed && !list_empty(&osb->blocked_lock_list)) {
lockres = list_entry(osb->blocked_lock_list.next,
struct ocfs2_lock_res, l_blocked_list);
list_del_init(&lockres->l_blocked_list);
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 719f7f4c7a37..7210583b472f 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -105,8 +105,11 @@ static int ocfs2_file_open(struct inode *inode, struct file *file)
file->f_path.dentry->d_name.len,
file->f_path.dentry->d_name.name, mode);
- if (file->f_mode & FMODE_WRITE)
- dquot_initialize(inode);
+ if (file->f_mode & FMODE_WRITE) {
+ status = dquot_initialize(inode);
+ if (status)
+ goto leave;
+ }
spin_lock(&oi->ip_lock);
@@ -1155,8 +1158,11 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
if (status)
return status;
- if (is_quota_modification(inode, attr))
- dquot_initialize(inode);
+ if (is_quota_modification(inode, attr)) {
+ status = dquot_initialize(inode);
+ if (status)
+ return status;
+ }
size_change = S_ISREG(inode->i_mode) && attr->ia_valid & ATTR_SIZE;
if (size_change) {
status = ocfs2_rw_lock(inode, 1);
@@ -1209,8 +1215,8 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
&& OCFS2_HAS_RO_COMPAT_FEATURE(sb,
OCFS2_FEATURE_RO_COMPAT_USRQUOTA)) {
transfer_to[USRQUOTA] = dqget(sb, make_kqid_uid(attr->ia_uid));
- if (!transfer_to[USRQUOTA]) {
- status = -ESRCH;
+ if (IS_ERR(transfer_to[USRQUOTA])) {
+ status = PTR_ERR(transfer_to[USRQUOTA]);
goto bail_unlock;
}
}
@@ -1218,8 +1224,8 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
&& OCFS2_HAS_RO_COMPAT_FEATURE(sb,
OCFS2_FEATURE_RO_COMPAT_GRPQUOTA)) {
transfer_to[GRPQUOTA] = dqget(sb, make_kqid_gid(attr->ia_gid));
- if (!transfer_to[GRPQUOTA]) {
- status = -ESRCH;
+ if (IS_ERR(transfer_to[GRPQUOTA])) {
+ status = PTR_ERR(transfer_to[GRPQUOTA]);
goto bail_unlock;
}
}
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 6e6abb93fda5..948681e37cfd 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -200,11 +200,12 @@ bail:
static struct inode *ocfs2_get_init_inode(struct inode *dir, umode_t mode)
{
struct inode *inode;
+ int status;
inode = new_inode(dir->i_sb);
if (!inode) {
mlog(ML_ERROR, "new_inode failed!\n");
- return NULL;
+ return ERR_PTR(-ENOMEM);
}
/* populate as many fields early on as possible - many of
@@ -213,7 +214,10 @@ static struct inode *ocfs2_get_init_inode(struct inode *dir, umode_t mode)
if (S_ISDIR(mode))
set_nlink(inode, 2);
inode_init_owner(inode, dir, mode);
- dquot_initialize(inode);
+ status = dquot_initialize(inode);
+ if (status)
+ return ERR_PTR(status);
+
return inode;
}
@@ -264,7 +268,11 @@ static int ocfs2_mknod(struct inode *dir,
(unsigned long long)OCFS2_I(dir)->ip_blkno,
(unsigned long)dev, mode);
- dquot_initialize(dir);
+ status = dquot_initialize(dir);
+ if (status) {
+ mlog_errno(status);
+ return status;
+ }
/* get our super block */
osb = OCFS2_SB(dir->i_sb);
@@ -311,8 +319,9 @@ static int ocfs2_mknod(struct inode *dir,
}
inode = ocfs2_get_init_inode(dir, mode);
- if (!inode) {
- status = -ENOMEM;
+ if (IS_ERR(inode)) {
+ status = PTR_ERR(inode);
+ inode = NULL;
mlog_errno(status);
goto leave;
}
@@ -708,7 +717,11 @@ static int ocfs2_link(struct dentry *old_dentry,
if (S_ISDIR(inode->i_mode))
return -EPERM;
- dquot_initialize(dir);
+ err = dquot_initialize(dir);
+ if (err) {
+ mlog_errno(err);
+ return err;
+ }
err = ocfs2_double_lock(osb, &old_dir_bh, old_dir,
&parent_fe_bh, dir, 0);
@@ -896,7 +909,11 @@ static int ocfs2_unlink(struct inode *dir,
(unsigned long long)OCFS2_I(dir)->ip_blkno,
(unsigned long long)OCFS2_I(inode)->ip_blkno);
- dquot_initialize(dir);
+ status = dquot_initialize(dir);
+ if (status) {
+ mlog_errno(status);
+ return status;
+ }
BUG_ON(d_inode(dentry->d_parent) != dir);
@@ -1230,8 +1247,16 @@ static int ocfs2_rename(struct inode *old_dir,
old_dentry->d_name.len, old_dentry->d_name.name,
new_dentry->d_name.len, new_dentry->d_name.name);
- dquot_initialize(old_dir);
- dquot_initialize(new_dir);
+ status = dquot_initialize(old_dir);
+ if (status) {
+ mlog_errno(status);
+ goto bail;
+ }
+ status = dquot_initialize(new_dir);
+ if (status) {
+ mlog_errno(status);
+ goto bail;
+ }
osb = OCFS2_SB(old_dir->i_sb);
@@ -1786,7 +1811,11 @@ static int ocfs2_symlink(struct inode *dir,
trace_ocfs2_symlink_begin(dir, dentry, symname,
dentry->d_name.len, dentry->d_name.name);
- dquot_initialize(dir);
+ status = dquot_initialize(dir);
+ if (status) {
+ mlog_errno(status);
+ goto bail;
+ }
sb = dir->i_sb;
osb = OCFS2_SB(sb);
@@ -1831,8 +1860,9 @@ static int ocfs2_symlink(struct inode *dir,
}
inode = ocfs2_get_init_inode(dir, S_IFLNK | S_IRWXUGO);
- if (!inode) {
- status = -ENOMEM;
+ if (IS_ERR(inode)) {
+ status = PTR_ERR(inode);
+ inode = NULL;
mlog_errno(status);
goto bail;
}
@@ -2485,8 +2515,9 @@ int ocfs2_create_inode_in_orphan(struct inode *dir,
}
inode = ocfs2_get_init_inode(dir, mode);
- if (!inode) {
- status = -ENOMEM;
+ if (IS_ERR(inode)) {
+ status = PTR_ERR(inode);
+ inode = NULL;
mlog_errno(status);
goto leave;
}
diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index db64ce2d4667..540ab5b75dbb 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -168,7 +168,7 @@
/* Refcount tree support */
#define OCFS2_FEATURE_INCOMPAT_REFCOUNT_TREE 0x1000
-/* Discontigous block groups */
+/* Discontiguous block groups */
#define OCFS2_FEATURE_INCOMPAT_DISCONTIG_BG 0x2000
/*
@@ -939,7 +939,7 @@ struct ocfs2_group_desc
/*
* Block groups may be discontiguous when
* OCFS2_FEATURE_INCOMPAT_DISCONTIG_BG is set.
- * The extents of a discontigous block group are
+ * The extents of a discontiguous block group are
* stored in bg_list. It is a flat list.
* l_tree_depth must always be zero. A
* discontiguous group is signified by a non-zero
diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c
index 3d0b63d34225..bb07004df72a 100644
--- a/fs/ocfs2/quota_local.c
+++ b/fs/ocfs2/quota_local.c
@@ -499,8 +499,8 @@ static int ocfs2_recover_local_quota_file(struct inode *lqinode,
dquot = dqget(sb,
make_kqid(&init_user_ns, type,
le64_to_cpu(dqblk->dqb_id)));
- if (!dquot) {
- status = -EIO;
+ if (IS_ERR(dquot)) {
+ status = PTR_ERR(dquot);
mlog(ML_ERROR, "Failed to get quota structure "
"for id %u, type %d. Cannot finish quota "
"file recovery.\n",
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index b69dd14c0b9b..7dc818b87cd8 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -4419,8 +4419,9 @@ static int ocfs2_vfs_reflink(struct dentry *old_dentry, struct inode *dir,
}
mutex_lock(&inode->i_mutex);
- dquot_initialize(dir);
- error = ocfs2_reflink(old_dentry, dir, new_dentry, preserve);
+ error = dquot_initialize(dir);
+ if (!error)
+ error = ocfs2_reflink(old_dentry, dir, new_dentry, preserve);
mutex_unlock(&inode->i_mutex);
if (!error)
fsnotify_create(dir, new_dentry);
diff --git a/fs/ocfs2/stack_user.c b/fs/ocfs2/stack_user.c
index 2768eb1da2b8..ced70c8139f7 100644
--- a/fs/ocfs2/stack_user.c
+++ b/fs/ocfs2/stack_user.c
@@ -655,14 +655,7 @@ static int ocfs2_control_init(void)
static void ocfs2_control_exit(void)
{
- int rc;
-
- rc = misc_deregister(&ocfs2_control_device);
- if (rc)
- printk(KERN_ERR
- "ocfs2: Unable to deregister ocfs2_control device "
- "(errno %d)\n",
- -rc);
+ misc_deregister(&ocfs2_control_device);
}
static void fsdlm_lock_ast_wrapper(void *astarg)
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