diff options
| author | Chris Mason <clm@fb.com> | 2014-01-03 21:07:00 -0800 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2014-01-29 07:06:29 -0800 |
| commit | 514ac8ad8793a097c0c9d89202c642479d6dfa34 (patch) | |
| tree | 7b94b18dce144eb4be4e45102c00071c02c6e2b3 /fs/btrfs/send.c | |
| parent | 23c6bf6a91e96c17a452e07b12b38ed66504e799 (diff) | |
| download | linux-514ac8ad8793a097c0c9d89202c642479d6dfa34.tar.bz2 | |
Btrfs: don't use ram_bytes for uncompressed inline items
If we truncate an uncompressed inline item, ram_bytes isn't updated to reflect
the new size. The fixe uses the size directly from the item header when
reading uncompressed inlines, and also fixes truncate to update the
size as it goes.
Reported-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
CC: stable@vger.kernel.org
Diffstat (limited to 'fs/btrfs/send.c')
| -rw-r--r-- | fs/btrfs/send.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 85259cba784a..730dce395858 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -1377,7 +1377,7 @@ static int read_symlink(struct btrfs_root *root, BUG_ON(compression); off = btrfs_file_extent_inline_start(ei); - len = btrfs_file_extent_inline_len(path->nodes[0], ei); + len = btrfs_file_extent_inline_len(path->nodes[0], path->slots[0], ei); ret = fs_path_add_from_extent_buffer(dest, path->nodes[0], off, len); @@ -4207,7 +4207,8 @@ static int send_write_or_clone(struct send_ctx *sctx, struct btrfs_file_extent_item); type = btrfs_file_extent_type(path->nodes[0], ei); if (type == BTRFS_FILE_EXTENT_INLINE) { - len = btrfs_file_extent_inline_len(path->nodes[0], ei); + len = btrfs_file_extent_inline_len(path->nodes[0], + path->slots[0], ei); /* * it is possible the inline item won't cover the whole page, * but there may be items after this page. Make @@ -4448,7 +4449,8 @@ static int get_last_extent(struct send_ctx *sctx, u64 offset) struct btrfs_file_extent_item); type = btrfs_file_extent_type(path->nodes[0], fi); if (type == BTRFS_FILE_EXTENT_INLINE) { - u64 size = btrfs_file_extent_inline_len(path->nodes[0], fi); + u64 size = btrfs_file_extent_inline_len(path->nodes[0], + path->slots[0], fi); extent_end = ALIGN(key.offset + size, sctx->send_root->sectorsize); } else { @@ -4482,7 +4484,8 @@ static int maybe_send_hole(struct send_ctx *sctx, struct btrfs_path *path, struct btrfs_file_extent_item); type = btrfs_file_extent_type(path->nodes[0], fi); if (type == BTRFS_FILE_EXTENT_INLINE) { - u64 size = btrfs_file_extent_inline_len(path->nodes[0], fi); + u64 size = btrfs_file_extent_inline_len(path->nodes[0], + path->slots[0], fi); extent_end = ALIGN(key->offset + size, sctx->send_root->sectorsize); } else { |