[PATCH v8 18/18] btrfs: minimal conversion to errseq_t writeback error reporting on fsync
From: jlayton@kernel.org
Date: 2017-06-29 13:19:54
Also in:
linux-btrfs, linux-ext4, linux-fsdevel, linux-mm, linux-xfs
Subsystem:
btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
Chris Mason, David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds
From: Jeff Layton <redacted> Just check and advance the errseq_t in the file before returning. Internal callers of filemap_* functions are left as-is. Signed-off-by: Jeff Layton <redacted> --- fs/btrfs/file.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index da1096eb1a40..1f57e1a523d9 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c@@ -2011,7 +2011,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_trans_handle *trans; struct btrfs_log_ctx ctx; - int ret = 0; + int ret = 0, err; bool full_sync = 0; u64 len;
@@ -2030,7 +2030,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) */ ret = start_ordered_ops(inode, start, end); if (ret) - return ret; + goto out; inode_lock(inode); atomic_inc(&root->log_batch);
@@ -2227,6 +2227,9 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) ret = btrfs_end_transaction(trans); } out: + err = file_check_and_advance_wb_err(file); + if (!ret) + ret = err; return ret > 0 ? -EIO : ret; }
--
2.13.0