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-rw-r--r--fs/gfs2/acl.c58
-rw-r--r--fs/gfs2/acl.h1
-rw-r--r--fs/gfs2/aops.c55
-rw-r--r--fs/gfs2/bmap.c12
-rw-r--r--fs/gfs2/dir.c15
-rw-r--r--fs/gfs2/file.c56
-rw-r--r--fs/gfs2/glock.c15
-rw-r--r--fs/gfs2/glops.c7
-rw-r--r--fs/gfs2/inode.c89
-rw-r--r--fs/gfs2/meta_io.c11
-rw-r--r--fs/gfs2/meta_io.h8
-rw-r--r--fs/gfs2/ops_fstype.c4
-rw-r--r--fs/gfs2/quota.c14
-rw-r--r--fs/gfs2/rgrp.c21
-rw-r--r--fs/gfs2/super.c2
-rw-r--r--fs/gfs2/util.c1
-rw-r--r--fs/gfs2/xattr.c52
17 files changed, 232 insertions, 189 deletions
diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c
index 791932617d1a..363ba9e9d8d0 100644
--- a/fs/gfs2/acl.c
+++ b/fs/gfs2/acl.c
@@ -24,6 +24,7 @@
#include "glock.h"
#include "inode.h"
#include "meta_io.h"
+#include "rgrp.h"
#include "trans.h"
#include "util.h"
@@ -38,7 +39,7 @@ static const char *gfs2_acl_name(int type)
return NULL;
}
-struct posix_acl *gfs2_get_acl(struct inode *inode, int type)
+static struct posix_acl *__gfs2_get_acl(struct inode *inode, int type)
{
struct gfs2_inode *ip = GFS2_I(inode);
struct posix_acl *acl;
@@ -50,29 +51,41 @@ struct posix_acl *gfs2_get_acl(struct inode *inode, int type)
return NULL;
name = gfs2_acl_name(type);
- if (name == NULL)
- return ERR_PTR(-EINVAL);
-
len = gfs2_xattr_acl_get(ip, name, &data);
- if (len < 0)
+ if (len <= 0)
return ERR_PTR(len);
- if (len == 0)
- return NULL;
-
acl = posix_acl_from_xattr(&init_user_ns, data, len);
kfree(data);
return acl;
}
-int gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+struct posix_acl *gfs2_get_acl(struct inode *inode, int type)
+{
+ struct gfs2_inode *ip = GFS2_I(inode);
+ struct gfs2_holder gh;
+ bool need_unlock = false;
+ struct posix_acl *acl;
+
+ if (!gfs2_glock_is_locked_by_me(ip->i_gl)) {
+ int ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED,
+ LM_FLAG_ANY, &gh);
+ if (ret)
+ return ERR_PTR(ret);
+ need_unlock = true;
+ }
+ acl = __gfs2_get_acl(inode, type);
+ if (need_unlock)
+ gfs2_glock_dq_uninit(&gh);
+ return acl;
+}
+
+int __gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
{
int error;
int len;
char *data;
const char *name = gfs2_acl_name(type);
- BUG_ON(name == NULL);
-
if (acl && acl->a_count > GFS2_ACL_MAX_ENTRIES(GFS2_SB(inode)))
return -E2BIG;
@@ -115,3 +128,26 @@ out:
kfree(data);
return error;
}
+
+int gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+{
+ struct gfs2_inode *ip = GFS2_I(inode);
+ struct gfs2_holder gh;
+ bool need_unlock = false;
+ int ret;
+
+ ret = gfs2_rsqa_alloc(ip);
+ if (ret)
+ return ret;
+
+ if (!gfs2_glock_is_locked_by_me(ip->i_gl)) {
+ ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
+ if (ret)
+ return ret;
+ need_unlock = true;
+ }
+ ret = __gfs2_set_acl(inode, acl, type);
+ if (need_unlock)
+ gfs2_glock_dq_uninit(&gh);
+ return ret;
+}
diff --git a/fs/gfs2/acl.h b/fs/gfs2/acl.h
index 3af4f407a483..f674fdd22337 100644
--- a/fs/gfs2/acl.h
+++ b/fs/gfs2/acl.h
@@ -15,6 +15,7 @@
#define GFS2_ACL_MAX_ENTRIES(sdp) ((300 << (sdp)->sd_sb.sb_bsize_shift) >> 12)
extern struct posix_acl *gfs2_get_acl(struct inode *inode, int type);
+extern int __gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type);
extern int gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type);
#endif /* __ACL_DOT_H__ */
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index aa016e4b8bec..37b7bc14c8da 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -101,7 +101,7 @@ static int gfs2_writepage_common(struct page *page,
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
loff_t i_size = i_size_read(inode);
- pgoff_t end_index = i_size >> PAGE_CACHE_SHIFT;
+ pgoff_t end_index = i_size >> PAGE_SHIFT;
unsigned offset;
if (gfs2_assert_withdraw(sdp, gfs2_glock_is_held_excl(ip->i_gl)))
@@ -109,9 +109,9 @@ static int gfs2_writepage_common(struct page *page,
if (current->journal_info)
goto redirty;
/* Is the page fully outside i_size? (truncate in progress) */
- offset = i_size & (PAGE_CACHE_SIZE-1);
+ offset = i_size & (PAGE_SIZE-1);
if (page->index > end_index || (page->index == end_index && !offset)) {
- page->mapping->a_ops->invalidatepage(page, 0, PAGE_CACHE_SIZE);
+ page->mapping->a_ops->invalidatepage(page, 0, PAGE_SIZE);
goto out;
}
return 1;
@@ -238,7 +238,7 @@ static int gfs2_write_jdata_pagevec(struct address_space *mapping,
{
struct inode *inode = mapping->host;
struct gfs2_sbd *sdp = GFS2_SB(inode);
- unsigned nrblocks = nr_pages * (PAGE_CACHE_SIZE/inode->i_sb->s_blocksize);
+ unsigned nrblocks = nr_pages * (PAGE_SIZE/inode->i_sb->s_blocksize);
int i;
int ret;
@@ -366,8 +366,8 @@ static int gfs2_write_cache_jdata(struct address_space *mapping,
cycled = 0;
end = -1;
} else {
- index = wbc->range_start >> PAGE_CACHE_SHIFT;
- end = wbc->range_end >> PAGE_CACHE_SHIFT;
+ index = wbc->range_start >> PAGE_SHIFT;
+ end = wbc->range_end >> PAGE_SHIFT;
if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX)
range_whole = 1;
cycled = 1; /* ignore range_cyclic tests */
@@ -458,7 +458,7 @@ static int stuffed_readpage(struct gfs2_inode *ip, struct page *page)
* so we need to supply one here. It doesn't happen often.
*/
if (unlikely(page->index)) {
- zero_user(page, 0, PAGE_CACHE_SIZE);
+ zero_user(page, 0, PAGE_SIZE);
SetPageUptodate(page);
return 0;
}
@@ -471,7 +471,7 @@ static int stuffed_readpage(struct gfs2_inode *ip, struct page *page)
if (dsize > (dibh->b_size - sizeof(struct gfs2_dinode)))
dsize = (dibh->b_size - sizeof(struct gfs2_dinode));
memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), dsize);
- memset(kaddr + dsize, 0, PAGE_CACHE_SIZE - dsize);
+ memset(kaddr + dsize, 0, PAGE_SIZE - dsize);
kunmap_atomic(kaddr);
flush_dcache_page(page);
brelse(dibh);
@@ -560,8 +560,8 @@ int gfs2_internal_read(struct gfs2_inode *ip, char *buf, loff_t *pos,
unsigned size)
{
struct address_space *mapping = ip->i_inode.i_mapping;
- unsigned long index = *pos / PAGE_CACHE_SIZE;
- unsigned offset = *pos & (PAGE_CACHE_SIZE - 1);
+ unsigned long index = *pos / PAGE_SIZE;
+ unsigned offset = *pos & (PAGE_SIZE - 1);
unsigned copied = 0;
unsigned amt;
struct page *page;
@@ -569,15 +569,15 @@ int gfs2_internal_read(struct gfs2_inode *ip, char *buf, loff_t *pos,
do {
amt = size - copied;
- if (offset + size > PAGE_CACHE_SIZE)
- amt = PAGE_CACHE_SIZE - offset;
+ if (offset + size > PAGE_SIZE)
+ amt = PAGE_SIZE - offset;
page = read_cache_page(mapping, index, __gfs2_readpage, NULL);
if (IS_ERR(page))
return PTR_ERR(page);
p = kmap_atomic(page);
memcpy(buf + copied, p + offset, amt);
kunmap_atomic(p);
- page_cache_release(page);
+ put_page(page);
copied += amt;
index++;
offset = 0;
@@ -651,8 +651,8 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
unsigned requested = 0;
int alloc_required;
int error = 0;
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
- unsigned from = pos & (PAGE_CACHE_SIZE - 1);
+ pgoff_t index = pos >> PAGE_SHIFT;
+ unsigned from = pos & (PAGE_SIZE - 1);
struct page *page;
gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &ip->i_gh);
@@ -697,7 +697,7 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
rblocks += gfs2_rg_blocks(ip, requested);
error = gfs2_trans_begin(sdp, rblocks,
- PAGE_CACHE_SIZE/sdp->sd_sb.sb_bsize);
+ PAGE_SIZE/sdp->sd_sb.sb_bsize);
if (error)
goto out_trans_fail;
@@ -727,7 +727,7 @@ out:
return 0;
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
gfs2_trans_end(sdp);
if (pos + len > ip->i_inode.i_size)
@@ -827,7 +827,7 @@ static int gfs2_stuffed_write_end(struct inode *inode, struct buffer_head *dibh,
if (!PageUptodate(page))
SetPageUptodate(page);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
if (copied) {
if (inode->i_size < to)
@@ -877,7 +877,7 @@ static int gfs2_write_end(struct file *file, struct address_space *mapping,
struct gfs2_sbd *sdp = GFS2_SB(inode);
struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);
struct buffer_head *dibh;
- unsigned int from = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned int from = pos & (PAGE_SIZE - 1);
unsigned int to = from + len;
int ret;
struct gfs2_trans *tr = current->journal_info;
@@ -888,7 +888,7 @@ static int gfs2_write_end(struct file *file, struct address_space *mapping,
ret = gfs2_meta_inode_buffer(ip, &dibh);
if (unlikely(ret)) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
goto failed;
}
@@ -977,7 +977,7 @@ static void gfs2_discard(struct gfs2_sbd *sdp, struct buffer_head *bh)
if (!list_empty(&bd->bd_list) && !buffer_pinned(bh))
list_del_init(&bd->bd_list);
else
- gfs2_remove_from_journal(bh, current->journal_info, 0);
+ gfs2_remove_from_journal(bh, REMOVE_JDATA);
}
bh->b_bdev = NULL;
clear_buffer_mapped(bh);
@@ -992,7 +992,7 @@ static void gfs2_invalidatepage(struct page *page, unsigned int offset,
{
struct gfs2_sbd *sdp = GFS2_SB(page->mapping->host);
unsigned int stop = offset + length;
- int partial_page = (offset || length < PAGE_CACHE_SIZE);
+ int partial_page = (offset || length < PAGE_SIZE);
struct buffer_head *bh, *head;
unsigned long pos = 0;
@@ -1042,13 +1042,13 @@ static int gfs2_ok_for_dio(struct gfs2_inode *ip, loff_t offset)
-static ssize_t gfs2_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
- loff_t offset)
+static ssize_t gfs2_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
struct address_space *mapping = inode->i_mapping;
struct gfs2_inode *ip = GFS2_I(inode);
+ loff_t offset = iocb->ki_pos;
struct gfs2_holder gh;
int rv;
@@ -1063,7 +1063,7 @@ static ssize_t gfs2_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
gfs2_holder_init(ip->i_gl, LM_ST_DEFERRED, 0, &gh);
rv = gfs2_glock_nq(&gh);
if (rv)
- return rv;
+ goto out_uninit;
rv = gfs2_ok_for_dio(ip, offset);
if (rv != 1)
goto out; /* dio not valid, fall back to buffered i/o */
@@ -1082,7 +1082,7 @@ static ssize_t gfs2_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
* the first place, mapping->nr_pages will always be zero.
*/
if (mapping->nrpages) {
- loff_t lstart = offset & ~(PAGE_CACHE_SIZE - 1);
+ loff_t lstart = offset & ~(PAGE_SIZE - 1);
loff_t len = iov_iter_count(iter);
loff_t end = PAGE_ALIGN(offset + len) - 1;
@@ -1099,9 +1099,10 @@ static ssize_t gfs2_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
}
rv = __blockdev_direct_IO(iocb, inode, inode->i_sb->s_bdev, iter,
- offset, gfs2_get_block_direct, NULL, NULL, 0);
+ gfs2_get_block_direct, NULL, NULL, 0);
out:
gfs2_glock_dq(&gh);
+out_uninit:
gfs2_holder_uninit(&gh);
return rv;
}
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 0860f0b5b3f1..24ce1cdd434a 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -75,7 +75,7 @@ static int gfs2_unstuffer_page(struct gfs2_inode *ip, struct buffer_head *dibh,
dsize = dibh->b_size - sizeof(struct gfs2_dinode);
memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), dsize);
- memset(kaddr + dsize, 0, PAGE_CACHE_SIZE - dsize);
+ memset(kaddr + dsize, 0, PAGE_SIZE - dsize);
kunmap(page);
SetPageUptodate(page);
@@ -98,7 +98,7 @@ static int gfs2_unstuffer_page(struct gfs2_inode *ip, struct buffer_head *dibh,
if (release) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
}
return 0;
@@ -932,8 +932,8 @@ static int gfs2_block_truncate_page(struct address_space *mapping, loff_t from)
{
struct inode *inode = mapping->host;
struct gfs2_inode *ip = GFS2_I(inode);
- unsigned long index = from >> PAGE_CACHE_SHIFT;
- unsigned offset = from & (PAGE_CACHE_SIZE-1);
+ unsigned long index = from >> PAGE_SHIFT;
+ unsigned offset = from & (PAGE_SIZE-1);
unsigned blocksize, iblock, length, pos;
struct buffer_head *bh;
struct page *page;
@@ -945,7 +945,7 @@ static int gfs2_block_truncate_page(struct address_space *mapping, loff_t from)
blocksize = inode->i_sb->s_blocksize;
length = blocksize - (offset & (blocksize - 1));
- iblock = index << (PAGE_CACHE_SHIFT - inode->i_sb->s_blocksize_bits);
+ iblock = index << (PAGE_SHIFT - inode->i_sb->s_blocksize_bits);
if (!page_has_buffers(page))
create_empty_buffers(page, blocksize, 0);
@@ -989,7 +989,7 @@ static int gfs2_block_truncate_page(struct address_space *mapping, loff_t from)
mark_buffer_dirty(bh);
unlock:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return err;
}
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index 4a01f30e9995..271d93905bac 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -783,12 +783,15 @@ static int get_leaf_nr(struct gfs2_inode *dip, u32 index,
u64 *leaf_out)
{
__be64 *hash;
+ int error;
hash = gfs2_dir_get_hash_table(dip);
- if (IS_ERR(hash))
- return PTR_ERR(hash);
- *leaf_out = be64_to_cpu(*(hash + index));
- return 0;
+ error = PTR_ERR_OR_ZERO(hash);
+
+ if (!error)
+ *leaf_out = be64_to_cpu(*(hash + index));
+
+ return error;
}
static int get_first_leaf(struct gfs2_inode *dip, u32 index,
@@ -798,7 +801,7 @@ static int get_first_leaf(struct gfs2_inode *dip, u32 index,
int error;
error = get_leaf_nr(dip, index, &leaf_no);
- if (!IS_ERR_VALUE(error))
+ if (!error)
error = get_leaf(dip, leaf_no, bh_out);
return error;
@@ -1014,7 +1017,7 @@ static int dir_split_leaf(struct inode *inode, const struct qstr *name)
index = name->hash >> (32 - dip->i_depth);
error = get_leaf_nr(dip, index, &leaf_no);
- if (IS_ERR_VALUE(error))
+ if (error)
return error;
/* Get the old leaf block */
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index c9384f932975..e0f98e483aec 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -160,7 +160,7 @@ static int gfs2_get_flags(struct file *filp, u32 __user *ptr)
gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
error = gfs2_glock_nq(&gh);
if (error)
- return error;
+ goto out_uninit;
fsflags = fsflags_cvt(gfs2_to_fsflags, ip->i_diskflags);
if (!S_ISDIR(inode->i_mode) && ip->i_diskflags & GFS2_DIF_JDATA)
@@ -169,6 +169,7 @@ static int gfs2_get_flags(struct file *filp, u32 __user *ptr)
error = -EFAULT;
gfs2_glock_dq(&gh);
+out_uninit:
gfs2_holder_uninit(&gh);
return error;
}
@@ -354,8 +355,8 @@ static int gfs2_allocate_page_backing(struct page *page)
{
struct inode *inode = page->mapping->host;
struct buffer_head bh;
- unsigned long size = PAGE_CACHE_SIZE;
- u64 lblock = page->index << (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ unsigned long size = PAGE_SIZE;
+ u64 lblock = page->index << (PAGE_SHIFT - inode->i_blkbits);
do {
bh.b_state = 0;
@@ -386,7 +387,7 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
struct gfs2_sbd *sdp = GFS2_SB(inode);
struct gfs2_alloc_parms ap = { .aflags = 0, };
unsigned long last_index;
- u64 pos = page->index << PAGE_CACHE_SHIFT;
+ u64 pos = page->index << PAGE_SHIFT;
unsigned int data_blocks, ind_blocks, rblocks;
struct gfs2_holder gh;
loff_t size;
@@ -401,7 +402,7 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
if (ret)
goto out;
- gfs2_size_hint(vma->vm_file, pos, PAGE_CACHE_SIZE);
+ gfs2_size_hint(vma->vm_file, pos, PAGE_SIZE);
gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
ret = gfs2_glock_nq(&gh);
@@ -411,7 +412,7 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
set_bit(GLF_DIRTY, &ip->i_gl->gl_flags);
set_bit(GIF_SW_PAGED, &ip->i_flags);
- if (!gfs2_write_alloc_required(ip, pos, PAGE_CACHE_SIZE)) {
+ if (!gfs2_write_alloc_required(ip, pos, PAGE_SIZE)) {
lock_page(page);
if (!PageUptodate(page) || page->mapping != inode->i_mapping) {
ret = -EAGAIN;
@@ -424,7 +425,7 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
if (ret)
goto out_unlock;
- gfs2_write_calc_reserv(ip, PAGE_CACHE_SIZE, &data_blocks, &ind_blocks);
+ gfs2_write_calc_reserv(ip, PAGE_SIZE, &data_blocks, &ind_blocks);
ap.target = data_blocks + ind_blocks;
ret = gfs2_quota_lock_check(ip, &ap);
if (ret)
@@ -447,7 +448,7 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
lock_page(page);
ret = -EINVAL;
size = i_size_read(inode);
- last_index = (size - 1) >> PAGE_CACHE_SHIFT;
+ last_index = (size - 1) >> PAGE_SHIFT;
/* Check page index against inode size */
if (size == 0 || (page->index > last_index))
goto out_trans_end;
@@ -873,7 +874,7 @@ static long __gfs2_fallocate(struct file *file, int mode, loff_t offset, loff_t
rblocks += data_blocks ? data_blocks : 1;
error = gfs2_trans_begin(sdp, rblocks,
- PAGE_CACHE_SIZE/sdp->sd_sb.sb_bsize);
+ PAGE_SIZE/sdp->sd_sb.sb_bsize);
if (error)
goto out_trans_fail;
@@ -895,7 +896,10 @@ static long __gfs2_fallocate(struct file *file, int mode, loff_t offset, loff_t
mark_inode_dirty(inode);
}
- return generic_write_sync(file, pos, count);
+ if ((file->f_flags & O_DSYNC) || IS_SYNC(file->f_mapping->host))
+ return vfs_fsync_range(file, pos, pos + count - 1,
+ (file->f_flags & __O_SYNC) ? 0 : 1);
+ return 0;
out_trans_fail:
gfs2_inplace_release(ip);
@@ -950,6 +954,30 @@ out_uninit:
return ret;
}
+static ssize_t gfs2_file_splice_read(struct file *in, loff_t *ppos,
+ struct pipe_inode_info *pipe, size_t len,
+ unsigned int flags)
+{
+ struct inode *inode = in->f_mapping->host;
+ struct gfs2_inode *ip = GFS2_I(inode);
+ struct gfs2_holder gh;
+ int ret;
+
+ inode_lock(inode);
+
+ ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
+ if (ret) {
+ inode_unlock(inode);
+ return ret;
+ }
+
+ gfs2_glock_dq_uninit(&gh);
+ inode_unlock(inode);
+
+ return generic_file_splice_read(in, ppos, pipe, len, flags);
+}
+
+
static ssize_t gfs2_file_splice_write(struct pipe_inode_info *pipe,
struct file *out, loff_t *ppos,
size_t len, unsigned int flags)
@@ -1112,14 +1140,14 @@ const struct file_operations gfs2_file_fops = {
.fsync = gfs2_fsync,
.lock = gfs2_lock,
.flock = gfs2_flock,
- .splice_read = generic_file_splice_read,
+ .splice_read = gfs2_file_splice_read,
.splice_write = gfs2_file_splice_write,
.setlease = simple_nosetlease,
.fallocate = gfs2_fallocate,
};
const struct file_operations gfs2_dir_fops = {
- .iterate = gfs2_readdir,
+ .iterate_shared = gfs2_readdir,
.unlocked_ioctl = gfs2_ioctl,
.open = gfs2_open,
.release = gfs2_release,
@@ -1140,14 +1168,14 @@ const struct file_operations gfs2_file_fops_nolock = {
.open = gfs2_open,
.release = gfs2_release,
.fsync = gfs2_fsync,
- .splice_read = generic_file_splice_read,
+ .splice_read = gfs2_file_splice_read,
.splice_write = gfs2_file_splice_write,
.setlease = generic_setlease,
.fallocate = gfs2_fallocate,
};
const struct file_operations gfs2_dir_fops_nolock = {
- .iterate = gfs2_readdir,
+ .iterate_shared = gfs2_readdir,
.unlocked_ioctl = gfs2_ioctl,
.open = gfs2_open,
.release = gfs2_release,
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 6539131c52a2..706fd9352f36 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -218,7 +218,7 @@ static void gfs2_holder_wake(struct gfs2_holder *gh)
*
*/
-static inline void do_error(struct gfs2_glock *gl, const int ret)
+static void do_error(struct gfs2_glock *gl, const int ret)
{
struct gfs2_holder *gh, *tmp;
@@ -475,7 +475,14 @@ __acquires(&gl->gl_lockref.lock)
if (sdp->sd_lockstruct.ls_ops->lm_lock) {
/* lock_dlm */
ret = sdp->sd_lockstruct.ls_ops->lm_lock(gl, target, lck_flags);
- if (ret) {
+ if (ret == -EINVAL && gl->gl_target == LM_ST_UNLOCKED &&
+ target == LM_ST_UNLOCKED &&
+ test_bit(SDF_SKIP_DLM_UNLOCK, &sdp->sd_flags)) {
+ finish_xmote(gl, target);
+ if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0)
+ gfs2_glock_put(gl);
+ }
+ else if (ret) {
pr_err("lm_lock ret %d\n", ret);
GLOCK_BUG_ON(gl, 1);
}
@@ -1913,7 +1920,7 @@ static int gfs2_glocks_open(struct inode *inode, struct file *file)
if (seq->buf)
seq->size = GFS2_SEQ_GOODSIZE;
gi->gl = NULL;
- ret = rhashtable_walk_init(&gl_hash_table, &gi->hti);
+ ret = rhashtable_walk_init(&gl_hash_table, &gi->hti, GFP_KERNEL);
}
return ret;
}
@@ -1941,7 +1948,7 @@ static int gfs2_glstats_open(struct inode *inode, struct file *file)
if (seq->buf)
seq->size = GFS2_SEQ_GOODSIZE;
gi->gl = NULL;
- ret = rhashtable_walk_init(&gl_hash_table, &gi->hti);
+ ret = rhashtable_walk_init(&gl_hash_table, &gi->hti, GFP_KERNEL);
}
return ret;
}
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 437fd73e381e..5db59d444838 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -286,17 +286,10 @@ static void inode_go_inval(struct gfs2_glock *gl, int flags)
static int inode_go_demote_ok(const struct gfs2_glock *gl)
{
struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;
- struct gfs2_holder *gh;
if (sdp->sd_jindex == gl->gl_object || sdp->sd_rindex == gl->gl_object)
return 0;
- if (!list_empty(&gl->gl_holders)) {
- gh = list_entry(gl->gl_holders.next, struct gfs2_holder, gh_list);
- if (gh->gh_list.next != &gl->gl_holders)
- return 0;
- }
-
return 1;
}
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index bb30f9a72c65..21dc784f66c2 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -93,12 +93,12 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type,
int error;
inode = iget_locked(sb, (unsigned long)no_addr);
- ip = GFS2_I(inode);
- ip->i_no_addr = no_addr;
-
if (!inode)
return ERR_PTR(-ENOMEM);
+ ip = GFS2_I(inode);
+ ip->i_no_addr = no_addr;
+
if (inode->i_state & I_NEW) {
struct gfs2_sbd *sdp = GFS2_SB(inode);
ip->i_no_formal_ino = no_formal_ino;
@@ -692,12 +692,12 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
considered free. Any failures need to undo
the gfs2 structures. */
if (default_acl) {
- error = gfs2_set_acl(inode, default_acl, ACL_TYPE_DEFAULT);
+ error = __gfs2_set_acl(inode, default_acl, ACL_TYPE_DEFAULT);
posix_acl_release(default_acl);
}
if (acl) {
if (!error)
- error = gfs2_set_acl(inode, acl, ACL_TYPE_ACCESS);
+ error = __gfs2_set_acl(inode, acl, ACL_TYPE_ACCESS);
posix_acl_release(acl);
}
@@ -1948,67 +1948,6 @@ static int gfs2_getattr(struct vfsmount *mnt, struct dentry *dentry,
return 0;
}
-static int gfs2_setxattr(struct dentry *dentry, const char *name,
- const void *data, size_t size, int flags)
-{
- struct inode *inode = d_inode(dentry);
- struct gfs2_inode *ip = GFS2_I(inode);
- struct gfs2_holder gh;
- int ret;
-
- gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
- ret = gfs2_glock_nq(&gh);
- if (ret == 0) {
- ret = gfs2_rsqa_alloc(ip);
- if (ret == 0)
- ret = generic_setxattr(dentry, name, data, size, flags);
- gfs2_glock_dq(&gh);
- }
- gfs2_holder_uninit(&gh);
- return ret;
-}
-
-static ssize_t gfs2_getxattr(struct dentry *dentry, const char *name,
- void *data, size_t size)
-{
- struct inode *inode = d_inode(dentry);
- struct gfs2_inode *ip = GFS2_I(inode);
- struct gfs2_holder gh;
- int ret;
-
- /* For selinux during lookup */
- if (gfs2_glock_is_locked_by_me(ip->i_gl))
- return generic_getxattr(dentry, name, data, size);
-
- gfs2_holder_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &gh);
- ret = gfs2_glock_nq(&gh);
- if (ret == 0) {
- ret = generic_getxattr(dentry, name, data, size);
- gfs2_glock_dq(&gh);
- }
- gfs2_holder_uninit(&gh);
- return ret;
-}
-
-static int gfs2_removexattr(struct dentry *dentry, const char *name)
-{
- struct inode *inode = d_inode(dentry);
- struct gfs2_inode *ip = GFS2_I(inode);
- struct gfs2_holder gh;
- int ret;
-
- gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
- ret = gfs2_glock_nq(&gh);
- if (ret == 0) {
- ret = gfs2_rsqa_alloc(ip);
- if (ret == 0)
- ret = generic_removexattr(dentry, name);
- gfs2_glock_dq(&gh);
- }
- gfs2_holder_uninit(&gh);
- return ret;
-}
-
static int gfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
u64 start, u64 len)
{
@@ -2055,10 +1994,10 @@ const struct inode_operations gfs2_file_iops = {
.permission = gfs2_permission,
.setattr = gfs2_setattr,
.getattr = gfs2_getattr,
- .setxattr = gfs2_setxattr,
- .getxattr = gfs2_getxattr,
+ .setxattr = generic_setxattr,
+ .getxattr = generic_getxattr,
.listxattr = gfs2_listxattr,
- .removexattr = gfs2_removexattr,
+ .removexattr = generic_removexattr,
.fiemap = gfs2_fiemap,
.get_acl = gfs2_get_acl,
.set_acl = gfs2_set_acl,
@@ -2077,10 +2016,10 @@ const struct inode_operations gfs2_dir_iops = {
.permission = gfs2_permission,
.setattr = gfs2_setattr,
.getattr = gfs2_getattr,
- .setxattr = gfs2_setxattr,
- .getxattr = gfs2_getxattr,
+ .setxattr = generic_setxattr,
+ .getxattr = generic_getxattr,
.listxattr = gfs2_listxattr,
- .removexattr = gfs2_removexattr,
+ .removexattr = generic_removexattr,
.fiemap = gfs2_fiemap,
.get_acl = gfs2_get_acl,
.set_acl = gfs2_set_acl,
@@ -2093,10 +2032,10 @@ const struct inode_operations gfs2_symlink_iops = {
.permission = gfs2_permission,
.setattr = gfs2_setattr,
.getattr = gfs2_getattr,
- .setxattr = gfs2_setxattr,
- .getxattr = gfs2_getxattr,
+ .setxattr = generic_setxattr,
+ .getxattr = generic_getxattr,
.listxattr = gfs2_listxattr,
- .removexattr = gfs2_removexattr,
+ .removexattr = generic_removexattr,
.fiemap = gfs2_fiemap,
};
diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c
index e137d96f1b17..8eaadabbc771 100644
--- a/fs/gfs2/meta_io.c
+++ b/fs/gfs2/meta_io.c
@@ -124,7 +124,7 @@ struct buffer_head *gfs2_getbuf(struct gfs2_glock *gl, u64 blkno, int create)
if (mapping == NULL)
mapping = &sdp->sd_aspace;
- shift = PAGE_CACHE_SHIFT - sdp->sd_sb.sb_bsize_shift;
+ shift = PAGE_SHIFT - sdp->sd_sb.sb_bsize_shift;
index = blkno >> shift; /* convert block to page */
bufnum = blkno - (index << shift); /* block buf index within page */
@@ -154,7 +154,7 @@ struct buffer_head *gfs2_getbuf(struct gfs2_glock *gl, u64 blkno, int create)
map_bh(bh, sdp->sd_vfs, blkno);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return bh;
}
@@ -325,18 +325,19 @@ int gfs2_meta_wait(struct gfs2_sbd *sdp, struct buffer_head *bh)
return 0;
}
-void gfs2_remove_from_journal(struct buffer_head *bh, struct gfs2_trans *tr, int meta)
+void gfs2_remove_from_journal(struct buffer_head *bh, int meta)
{
struct address_space *mapping = bh->b_page->mapping;
struct gfs2_sbd *sdp = gfs2_mapping2sbd(mapping);
struct gfs2_bufdata *bd = bh->b_private;
+ struct gfs2_trans *tr = current->journal_info;
int was_pinned = 0;
if (test_clear_buffer_pinned(bh)) {
trace_gfs2_pin(bd, 0);
atomic_dec(&sdp->sd_log_pinned);
list_del_init(&bd->bd_list);
- if (meta)
+ if (meta == REMOVE_META)
tr->tr_num_buf_rm++;
else
tr->tr_num_databuf_rm++;
@@ -376,7 +377,7 @@ void gfs2_meta_wipe(struct gfs2_inode *ip, u64 bstart, u32 blen)
if (bh) {
lock_buffer(bh);
gfs2_log_lock(sdp);
- gfs2_remove_from_journal(bh, current->journal_info, 1);
+ gfs2_remove_from_journal(bh, REMOVE_META);
gfs2_log_unlock(sdp);
unlock_buffer(bh);
brelse(bh);
diff --git a/fs/gfs2/meta_io.h b/fs/gfs2/meta_io.h
index c5086c8af5ed..ffdf6aa3509d 100644
--- a/fs/gfs2/meta_io.h
+++ b/fs/gfs2/meta_io.h
@@ -57,8 +57,12 @@ extern int gfs2_meta_read(struct gfs2_glock *gl, u64 blkno, int flags,
extern int gfs2_meta_wait(struct gfs2_sbd *sdp, struct buffer_head *bh);
extern struct buffer_head *gfs2_getbuf(struct gfs2_glock *gl, u64 blkno,
int create);
-extern void gfs2_remove_from_journal(struct buffer_head *bh,
- struct gfs2_trans *tr, int meta);
+enum {
+ REMOVE_JDATA = 0,
+ REMOVE_META = 1,
+};
+
+extern void gfs2_remove_from_journal(struct buffer_head *bh, int meta);
extern void gfs2_meta_wipe(struct gfs2_inode *ip, u64 bstart, u32 blen);
extern int gfs2_meta_indirect_buffer(struct gfs2_inode *ip, int height, u64 num,
struct buffer_head **bhp);
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 49b0bff18fe3..45463600fb81 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -824,7 +824,7 @@ static int init_inodes(struct gfs2_sbd *sdp, int undo)
* i_mutex on quota files is special. Since this inode is hidden system
* file, we are safe to define locking ourselves.
*/
- lockdep_set_class(&sdp->sd_quota_inode->i_mutex,
+ lockdep_set_class(&sdp->sd_quota_inode->i_rwsem,
&gfs2_quota_imutex_key);
error = gfs2_rindex_update(sdp);
@@ -1360,7 +1360,7 @@ static struct dentry *gfs2_mount_meta(struct file_system_type *fs_type,
return ERR_PTR(error);
}
s = sget(&gfs2_fs_type, test_gfs2_super, set_meta_super, flags,
- d_inode(path.dentry)->i_sb->s_bdev);
+ path.dentry->d_sb->s_bdev);
path_put(&path);
if (IS_ERR(s)) {
pr_warn("gfs2 mount does not exist\n");
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index a39891344259..ce7d69a2fdc0 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -701,7 +701,7 @@ static int gfs2_write_buf_to_page(struct gfs2_inode *ip, unsigned long index,
unsigned to_write = bytes, pg_off = off;
int done = 0;
- blk = index << (PAGE_CACHE_SHIFT - sdp->sd_sb.sb_bsize_shift);
+ blk = index << (PAGE_SHIFT - sdp->sd_sb.sb_bsize_shift);
boff = off % bsize;
page = find_or_create_page(mapping, index, GFP_NOFS);
@@ -753,13 +753,13 @@ static int gfs2_write_buf_to_page(struct gfs2_inode *ip, unsigned long index,
flush_dcache_page(page);
kunmap_atomic(kaddr);
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return 0;
unlock_out:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return -EIO;
}
@@ -773,13 +773,13 @@ static int gfs2_write_disk_quota(struct gfs2_inode *ip, struct gfs2_quota *qp,
nbytes = sizeof(struct gfs2_quota);
- pg_beg = loc >> PAGE_CACHE_SHIFT;
- pg_off = loc % PAGE_CACHE_SIZE;
+ pg_beg = loc >> PAGE_SHIFT;
+ pg_off = loc % PAGE_SIZE;
/* If the quota straddles a page boundary, split the write in two */
- if ((pg_off + nbytes) > PAGE_CACHE_SIZE) {
+ if ((pg_off + nbytes) > PAGE_SIZE) {
pg_oflow = 1;
- overflow = (pg_off + nbytes) - PAGE_CACHE_SIZE;
+ overflow = (pg_off + nbytes) - PAGE_SIZE;
}
ptr = qp;
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 07c0265aa195..5bd216901e89 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -73,8 +73,7 @@ static const char valid_change[16] = {
};
static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minext,
- const struct gfs2_inode *ip, bool nowrap,
- const struct gfs2_alloc_parms *ap);
+ const struct gfs2_inode *ip, bool nowrap);
/**
@@ -918,9 +917,8 @@ static int read_rindex_entry(struct gfs2_inode *ip)
goto fail;
rgd->rd_gl->gl_object = rgd;
- rgd->rd_gl->gl_vm.start = (rgd->rd_addr * bsize) & PAGE_CACHE_MASK;
- rgd->rd_gl->gl_vm.end = PAGE_CACHE_ALIGN((rgd->rd_addr +
- rgd->rd_length) * bsize) - 1;
+ rgd->rd_gl->gl_vm.start = (rgd->rd_addr * bsize) & PAGE_MASK;
+ rgd->rd_gl->gl_vm.end = PAGE_ALIGN((rgd->rd_addr + rgd->rd_length) * bsize) - 1;
rgd->rd_rgl = (struct gfs2_rgrp_lvb *)rgd->rd_gl->gl_lksb.sb_lvbptr;
rgd->rd_flags &= ~(GFS2_RDF_UPTODATE | GFS2_RDF_PREFERRED);
if (rgd->rd_data > sdp->sd_max_rg_data)
@@ -1512,7 +1510,7 @@ static void rg_mblk_search(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip,
if (WARN_ON(gfs2_rbm_from_block(&rbm, goal)))
return;
- ret = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, &extlen, ip, true, ap);
+ ret = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, &extlen, ip, true);
if (ret == 0) {
rs->rs_rbm = rbm;
rs->rs_free = extlen;
@@ -1639,7 +1637,6 @@ fail:
* @ip: If set, check for reservations
* @nowrap: Stop looking at the end of the rgrp, rather than wrapping
* around until we've reached the starting point.
- * @ap: the allocation parameters
*
* Side effects:
* - If looking for free blocks, we set GBF_FULL on each bitmap which
@@ -1651,8 +1648,7 @@ fail:
*/
static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minext,
- const struct gfs2_inode *ip, bool nowrap,
- const struct gfs2_alloc_parms *ap)
+ const struct gfs2_inode *ip, bool nowrap)
{
struct buffer_head *bh;
int initial_bii;
@@ -1773,7 +1769,7 @@ static void try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked, u64 skip
while (1) {
down_write(&sdp->sd_log_flush_lock);
error = gfs2_rbm_find(&rbm, GFS2_BLKST_UNLINKED, NULL, NULL,
- true, NULL);
+ true);
up_write(&sdp->sd_log_flush_lock);
if (error == -ENOSPC)
break;
@@ -2330,12 +2326,11 @@ int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *nblocks,
int error;
gfs2_set_alloc_start(&rbm, ip, dinode);
- error = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, NULL, ip, false, NULL);
+ error = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, NULL, ip, false);
if (error == -ENOSPC) {
gfs2_set_alloc_start(&rbm, ip, dinode);
- error = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, NULL, NULL, false,
- NULL);
+ error = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, NULL, NULL, false);
}
/* Since all blocks are reserved in advance, this shouldn't happen */
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index f8a0cd821290..9b2ff353e45f 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -1176,7 +1176,7 @@ static int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *s
static int gfs2_statfs(struct dentry *dentry, struct kstatfs *buf)
{
- struct super_block *sb = d_inode(dentry)->i_sb;
+ struct super_block *sb = dentry->d_sb;
struct gfs2_sbd *sdp = sb->s_fs_info;
struct gfs2_statfs_change_host sc;
int error;
diff --git a/fs/gfs2/util.c b/fs/gfs2/util.c
index cf645835710f..aee4485ad8a9 100644
--- a/fs/gfs2/util.c
+++ b/fs/gfs2/util.c
@@ -68,6 +68,7 @@ int gfs2_lm_withdraw(struct gfs2_sbd *sdp, const char *fmt, ...)
fs_err(sdp, "telling LM to unmount\n");
lm->lm_unmount(sdp);
}
+ set_bit(SDF_SKIP_DLM_UNLOCK, &sdp->sd_flags);
fs_err(sdp, "withdrawn\n");
dump_stack();
}
diff --git a/fs/gfs2/xattr.c b/fs/gfs2/xattr.c
index e8dfb4740c04..3a2853504084 100644
--- a/fs/gfs2/xattr.c
+++ b/fs/gfs2/xattr.c
@@ -583,13 +583,11 @@ out:
*
* Returns: actual size of data on success, -errno on error
*/
-static int gfs2_xattr_get(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+static int __gfs2_xattr_get(struct inode *inode, const char *name,
+ void *buffer, size_t size, int type)
{
- struct gfs2_inode *ip = GFS2_I(d_inode(dentry));
+ struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_ea_location el;
- int type = handler->flags;
int error;
if (!ip->i_eattr)
@@ -611,6 +609,29 @@ static int gfs2_xattr_get(const struct xattr_handler *handler,
return error;
}
+static int gfs2_xattr_get(const struct xattr_handler *handler,
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
+{
+ struct gfs2_inode *ip = GFS2_I(inode);
+ struct gfs2_holder gh;
+ bool need_unlock = false;
+ int ret;
+
+ /* During lookup, SELinux calls this function with the glock locked. */
+
+ if (!gfs2_glock_is_locked_by_me(ip->i_gl)) {
+ ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &gh);
+ if (ret)
+ return ret;
+ need_unlock = true;
+ }
+ ret = __gfs2_xattr_get(inode, name, buffer, size, handler->flags);
+ if (need_unlock)
+ gfs2_glock_dq_uninit(&gh);
+ return ret;
+}
+
/**
* ea_alloc_blk - allocates a new block for extended attributes.
* @ip: A pointer to the inode that's getting extended attributes
@@ -1230,11 +1251,24 @@ int __gfs2_xattr_set(struct inode *inode, const char *name,
}
static int gfs2_xattr_set(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- const void *value, size_t size, int flags)
+ struct dentry *unused, struct inode *inode,
+ const char *name, const void *value,
+ size_t size, int flags)
{
- return __gfs2_xattr_set(d_inode(dentry), name, value,
- size, flags, handler->flags);
+ struct gfs2_inode *ip = GFS2_I(inode);
+ struct gfs2_holder gh;
+ int ret;
+
+ ret = gfs2_rsqa_alloc(ip);
+ if (ret)
+ return ret;
+
+ ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
+ if (ret)
+ return ret;
+ ret = __gfs2_xattr_set(inode, name, value, size, flags, handler->flags);
+ gfs2_glock_dq_uninit(&gh);
+ return ret;
}
static int ea_dealloc_indirect(struct gfs2_inode *ip)
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