diff options
Diffstat (limited to 'fs/btrfs/file.c')
| -rw-r--r-- | fs/btrfs/file.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 05df688c96f4..f903433f5bdf 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -892,6 +892,17 @@ 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++; |