Before continuing write requests, we need to check the procedure size grow was
successful. If the size attribute of a file failed to increase, it makes no
sense to continue to push write requests because they will not be able to
succeed until the file size will match.
Signed-off-by: Pavel Butsykin <pbutsy...@virtuozzo.com>
---
fs/fuse/kio/pcs/pcs_fuse_kdirect.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/fs/fuse/kio/pcs/pcs_fuse_kdirect.c
b/fs/fuse/kio/pcs/pcs_fuse_kdirect.c
index a4064904f963..cd6497080070 100644
--- a/fs/fuse/kio/pcs/pcs_fuse_kdirect.c
+++ b/fs/fuse/kio/pcs/pcs_fuse_kdirect.c
@@ -648,6 +648,7 @@ static void fuse_size_grow_work(struct work_struct *w)
struct inode *inode = &di->inode->inode;
struct pcs_int_request* ireq, *next;
unsigned long long size = 0;
+ int err;
LIST_HEAD(to_submit);
spin_lock(&di->lock);
@@ -667,7 +668,19 @@ static void fuse_size_grow_work(struct work_struct *w)
}
di->size.required = size;
spin_unlock(&di->lock);
- submit_size_grow(inode, size);
+
+ err = submit_size_grow(inode, size);
+ if (err) {
+ LIST_HEAD(to_fail);
+
+ spin_lock(&di->lock);
+ di->size.required = 0;
+ list_splice_tail_init(&di->size.grow_queue, &to_fail);
+ spin_unlock(&di->lock);
+
+ pcs_ireq_queue_fail(&to_fail, err);
+ return;
+ }
spin_lock(&di->lock);
BUG_ON(di->size.shrink);
--
2.15.1
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