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hfsplus: Add error propagation for hfsplus_ext_write_extent_locked

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Implement error propagation through the callers of
hfsplus_ext_write_extent_locked().

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Alexey Khoroshilov 2011-07-06 02:30:00 +04:00 committed by Christoph Hellwig
parent 5bd9d99d10
commit dd7f3d5458
3 changed files with 24 additions and 10 deletions
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26
fs/hfsplus/extents.c
View File

@ -119,23 +119,31 @@ static void __hfsplus_ext_write_extent(struct inode *inode,
set_bit(HFSPLUS_I_EXT_DIRTY, &hip->flags);
}
static void hfsplus_ext_write_extent_locked(struct inode *inode)
static int hfsplus_ext_write_extent_locked(struct inode *inode)
{
int res;
if (HFSPLUS_I(inode)->extent_state & HFSPLUS_EXT_DIRTY) {
struct hfs_find_data fd;
if (!hfs_find_init(HFSPLUS_SB(inode->i_sb)->ext_tree, &fd)) {
__hfsplus_ext_write_extent(inode, &fd);
hfs_find_exit(&fd);
}
res = hfs_find_init(HFSPLUS_SB(inode->i_sb)->ext_tree, &fd);
if (res)
return res;
__hfsplus_ext_write_extent(inode, &fd);
hfs_find_exit(&fd);
}
return 0;
}
void hfsplus_ext_write_extent(struct inode *inode)
int hfsplus_ext_write_extent(struct inode *inode)
{
int res;
mutex_lock(&HFSPLUS_I(inode)->extents_lock);
hfsplus_ext_write_extent_locked(inode);
res = hfsplus_ext_write_extent_locked(inode);
mutex_unlock(&HFSPLUS_I(inode)->extents_lock);
return res;
}
static inline int __hfsplus_ext_read_extent(struct hfs_find_data *fd,
@ -477,7 +485,9 @@ int hfsplus_file_extend(struct inode *inode)
insert_extent:
dprint(DBG_EXTENT, "insert new extent\n");
hfsplus_ext_write_extent_locked(inode);
res = hfsplus_ext_write_extent_locked(inode);
if (res)
goto out;
memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
hip->cached_extents[0].start_block = cpu_to_be32(start);

2
fs/hfsplus/hfsplus_fs.h
View File

@ -374,7 +374,7 @@ extern const struct file_operations hfsplus_dir_operations;
/* extents.c */
int hfsplus_ext_cmp_key(const hfsplus_btree_key *, const hfsplus_btree_key *);
void hfsplus_ext_write_extent(struct inode *);
int hfsplus_ext_write_extent(struct inode *);
int hfsplus_get_block(struct inode *, sector_t, struct buffer_head *, int);
int hfsplus_free_fork(struct super_block *, u32,
struct hfsplus_fork_raw *, int);

6
fs/hfsplus/super.c
View File

@ -135,9 +135,13 @@ static int hfsplus_system_write_inode(struct inode *inode)
static int hfsplus_write_inode(struct inode *inode,
struct writeback_control *wbc)
{
int err;
dprint(DBG_INODE, "hfsplus_write_inode: %lu\n", inode->i_ino);
hfsplus_ext_write_extent(inode);
err = hfsplus_ext_write_extent(inode);
if (err)
return err;
if (inode->i_ino >= HFSPLUS_FIRSTUSER_CNID ||
inode->i_ino == HFSPLUS_ROOT_CNID)