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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-17 14:43:43 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-17 14:43:43 -0800 |
| commit | eee2a817df7c5a6e569f353f8be78cc1b3604bb6 (patch) | |
| tree | f721beb4712c732702d3383d3c6a52da8b5bbb20 /fs/btrfs/file.c | |
| parent | 83896fb5e51594281720d145164f866ba769abd5 (diff) | |
| parent | acce952b0263825da32cf10489413dec78053347 (diff) | |
| download | linux-3.10-eee2a817df7c5a6e569f353f8be78cc1b3604bb6.tar.gz linux-3.10-eee2a817df7c5a6e569f353f8be78cc1b3604bb6.tar.bz2 linux-3.10-eee2a817df7c5a6e569f353f8be78cc1b3604bb6.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: (25 commits)
Btrfs: forced readonly mounts on errors
btrfs: Require CAP_SYS_ADMIN for filesystem rebalance
Btrfs: don't warn if we get ENOSPC in btrfs_block_rsv_check
btrfs: Fix memory leak in btrfs_read_fs_root_no_radix()
btrfs: check NULL or not
btrfs: Don't pass NULL ptr to func that may deref it.
btrfs: mount failure return value fix
btrfs: Mem leak in btrfs_get_acl()
btrfs: fix wrong free space information of btrfs
btrfs: make the chunk allocator utilize the devices better
btrfs: restructure find_free_dev_extent()
btrfs: fix wrong calculation of stripe size
btrfs: try to reclaim some space when chunk allocation fails
btrfs: fix wrong data space statistics
fs/btrfs: Fix build of ctree
Btrfs: fix off by one while setting block groups readonly
Btrfs: Add BTRFS_IOC_SUBVOL_GETFLAGS/SETFLAGS ioctls
Btrfs: Add readonly snapshots support
Btrfs: Refactor btrfs_ioctl_snap_create()
btrfs: Extract duplicate decompress code
...
Diffstat (limited to 'fs/btrfs/file.c')
| -rw-r--r-- | fs/btrfs/file.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index a9e0a4eaf3d..c800d58f301 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -225,6 +225,7 @@ int btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end, split->bdev = em->bdev; split->flags = flags; + split->compress_type = em->compress_type; ret = add_extent_mapping(em_tree, split); BUG_ON(ret); free_extent_map(split); @@ -239,6 +240,7 @@ int btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end, split->len = em->start + em->len - (start + len); split->bdev = em->bdev; split->flags = flags; + split->compress_type = em->compress_type; if (compressed) { split->block_len = em->block_len; @@ -891,6 +893,17 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb, if (err) goto out; + /* + * If BTRFS flips readonly due to some impossible error + * (fs_info->fs_state now has BTRFS_SUPER_FLAG_ERROR), + * although we have opened a file as writable, we have + * to stop this write operation to ensure FS consistency. + */ + if (root->fs_info->fs_state & BTRFS_SUPER_FLAG_ERROR) { + err = -EROFS; + goto out; + } + file_update_time(file); BTRFS_I(inode)->sequence++; |