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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-06 20:03:41 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-06 20:03:41 -0800 |
commit | 6a6662ced4153f6dbcfc40d7225c3cc45416039c (patch) | |
tree | 77ad5d577333f02cd854e44827a407dd0388d4eb /fs/btrfs/xattr.c | |
parent | 32aaeffbd4a7457bf2f7448b33b5946ff2a960eb (diff) | |
parent | 7c7e82a77fe3d89ae50824aa7c897454675eb4c4 (diff) | |
download | linux-stable-6a6662ced4153f6dbcfc40d7225c3cc45416039c.tar.gz linux-stable-6a6662ced4153f6dbcfc40d7225c3cc45416039c.tar.bz2 linux-stable-6a6662ced4153f6dbcfc40d7225c3cc45416039c.zip |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (114 commits)
Btrfs: check for a null fs root when writing to the backup root log
Btrfs: fix race during transaction joins
Btrfs: fix a potential btrfs_bio leak on scrub fixups
Btrfs: rename btrfs_bio multi -> bbio for consistency
Btrfs: stop leaking btrfs_bios on readahead
Btrfs: stop the readahead threads on failed mount
Btrfs: fix extent_buffer leak in the metadata IO error handling
Btrfs: fix the new inspection ioctls for 32 bit compat
Btrfs: fix delayed insertion reservation
Btrfs: ClearPageError during writepage and clean_tree_block
Btrfs: be smarter about committing the transaction in reserve_metadata_bytes
Btrfs: make a delayed_block_rsv for the delayed item insertion
Btrfs: add a log of past tree roots
btrfs: separate superblock items out of fs_info
Btrfs: use the global reserve when truncating the free space cache inode
Btrfs: release metadata from global reserve if we have to fallback for unlink
Btrfs: make sure to flush queued bios if write_cache_pages waits
Btrfs: fix extent pinning bugs in the tree log
Btrfs: make sure btrfs_remove_free_space doesn't leak EAGAIN
Btrfs: don't wait as long for more batches during SSD log commit
...
Diffstat (limited to 'fs/btrfs/xattr.c')
-rw-r--r-- | fs/btrfs/xattr.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c index 426aa464f1af..3848b04e310e 100644 --- a/fs/btrfs/xattr.c +++ b/fs/btrfs/xattr.c @@ -127,6 +127,17 @@ static int do_setxattr(struct btrfs_trans_handle *trans, again: ret = btrfs_insert_xattr_item(trans, root, path, btrfs_ino(inode), name, name_len, value, size); + /* + * If we're setting an xattr to a new value but the new value is say + * exactly BTRFS_MAX_XATTR_SIZE, we could end up with EOVERFLOW getting + * back from split_leaf. This is because it thinks we'll be extending + * the existing item size, but we're asking for enough space to add the + * item itself. So if we get EOVERFLOW just set ret to EEXIST and let + * the rest of the function figure it out. + */ + if (ret == -EOVERFLOW) + ret = -EEXIST; + if (ret == -EEXIST) { if (flags & XATTR_CREATE) goto out; |