summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--fs/namei.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 1baf1b06fe47..712dfc77793b 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2627,16 +2627,27 @@ int __page_symlink(struct inode *inode, const char *symname, int len,
int err = -ENOMEM;
char *kaddr;
+retry:
page = find_or_create_page(mapping, 0, gfp_mask);
if (!page)
goto fail;
err = mapping->a_ops->prepare_write(NULL, page, 0, len-1);
+ if (err == AOP_TRUNCATED_PAGE) {
+ page_cache_release(page);
+ goto retry;
+ }
if (err)
goto fail_map;
kaddr = kmap_atomic(page, KM_USER0);
memcpy(kaddr, symname, len-1);
kunmap_atomic(kaddr, KM_USER0);
- mapping->a_ops->commit_write(NULL, page, 0, len-1);
+ err = mapping->a_ops->commit_write(NULL, page, 0, len-1);
+ if (err == AOP_TRUNCATED_PAGE) {
+ page_cache_release(page);
+ goto retry;
+ }
+ if (err)
+ goto fail_map;
/*
* Notice that we are _not_ going to block here - end of page is
* unmapped, so this will only try to map the rest of page, see
@@ -2646,7 +2657,8 @@ int __page_symlink(struct inode *inode, const char *symname, int len,
*/
if (!PageUptodate(page)) {
err = mapping->a_ops->readpage(NULL, page);
- wait_on_page_locked(page);
+ if (err != AOP_TRUNCATED_PAGE)
+ wait_on_page_locked(page);
} else {
unlock_page(page);
}