diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-03-09 12:35:53 -0800 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-03-09 12:35:53 -0800 |
commit | 263a5c8e16c34199ddf6de3f102e789ffa3ee26e (patch) | |
tree | 4f049e339d522b2ab0ba3bed3ec217e4bbc83d35 /fs/btrfs/file.c | |
parent | 54d20f006ceff1f2f1e69d0e54049b6c0765c039 (diff) | |
parent | 192cfd58774b4d17b2fe8bdc77d89c2ef4e0591d (diff) |
Merge 3.3-rc6 into driver-core-next
This was done to resolve a conflict in the drivers/base/cpu.c file.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/btrfs/file.c')
-rw-r--r-- | fs/btrfs/file.c | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 859ba2dd8890..e8d06b6b9194 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1605,6 +1605,14 @@ static long btrfs_fallocate(struct file *file, int mode, return -EOPNOTSUPP; /* + * Make sure we have enough space before we do the + * allocation. + */ + ret = btrfs_check_data_free_space(inode, len); + if (ret) + return ret; + + /* * wait for ordered IO before we have any locks. We'll loop again * below with the locks held. */ @@ -1667,27 +1675,12 @@ static long btrfs_fallocate(struct file *file, int mode, if (em->block_start == EXTENT_MAP_HOLE || (cur_offset >= inode->i_size && !test_bit(EXTENT_FLAG_PREALLOC, &em->flags))) { - - /* - * Make sure we have enough space before we do the - * allocation. - */ - ret = btrfs_check_data_free_space(inode, last_byte - - cur_offset); - if (ret) { - free_extent_map(em); - break; - } - ret = btrfs_prealloc_file_range(inode, mode, cur_offset, last_byte - cur_offset, 1 << inode->i_blkbits, offset + len, &alloc_hint); - /* Let go of our reservation. */ - btrfs_free_reserved_data_space(inode, last_byte - - cur_offset); if (ret < 0) { free_extent_map(em); break; @@ -1715,6 +1708,8 @@ static long btrfs_fallocate(struct file *file, int mode, &cached_state, GFP_NOFS); out: mutex_unlock(&inode->i_mutex); + /* Let go of our reservation. */ + btrfs_free_reserved_data_space(inode, len); return ret; } @@ -1761,7 +1756,7 @@ static int find_desired_extent(struct inode *inode, loff_t *offset, int origin) start - root->sectorsize, root->sectorsize, 0); if (IS_ERR(em)) { - ret = -ENXIO; + ret = PTR_ERR(em); goto out; } last_end = em->start + em->len; @@ -1773,7 +1768,7 @@ static int find_desired_extent(struct inode *inode, loff_t *offset, int origin) while (1) { em = btrfs_get_extent_fiemap(inode, NULL, 0, start, len, 0); if (IS_ERR(em)) { - ret = -ENXIO; + ret = PTR_ERR(em); break; } |