The commit is pushed to "branch-rh7-3.10.0-327.18.2.vz7.15.x-ovz" and will
appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh7-3.10.0-327.18.2.vz7.14.27
------>
commit 2e8a93df0e035c066a8558e184af6c32cbe2207e
Author: Alexey Kuznetsov <[email protected]>
Date: Tue Jul 19 13:20:00 2016 +0400
ms/fuse: fsync() does not return IO errors
Two bugs: one is trivial misprint, another is more serious:
due to implementation of fuse writeback filemap_write_and_wait_range()
does not catch errors. We have to do this directly after fuse_sync_writes()
https://jira.sw.ru/browse/PSBM-49821
#VSTOR-670
Signed-off-by: Alexey Kuznetsov <[email protected]>
Acked-by: Maxim Patlasov <[email protected]>
---
fs/fuse/file.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 9889e26..0ef7fe1 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -667,9 +667,19 @@ int fuse_fsync_common(struct file *file, loff_t start,
loff_t end,
fuse_sync_writes(inode);
+ /* Due to implementation of fuse writeback
filemap_write_and_wait_range()
+ * does not catch errors. We have to do this directly after
fuse_sync_writes()
+ */
+ if (test_and_clear_bit(AS_ENOSPC, &file->f_mapping->flags))
+ err = -ENOSPC;
+ if (test_and_clear_bit(AS_EIO, &file->f_mapping->flags))
+ err = -EIO;
+ if (err)
+ goto out;
+
if (test_bit(FUSE_I_MTIME_UPDATED,
&get_fuse_inode(inode)->state)) {
- int err = fuse_flush_mtime(file, false);
+ err = fuse_flush_mtime(file, false);
if (err)
goto out;
}
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