btrfs_set_extent_delalloc() has the possibility of returning the error.
So I add the code in which the return value of btrfs_set_extent_delalloc()
is checked.
Signed-off-by: Tsutomu Itoh <t-itoh@xxxxxxxxxxxxxx>
---
fs/btrfs/ioctl.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 0e92e57..95e27d6 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1016,13 +1016,16 @@ again:
}
- btrfs_set_extent_delalloc(inode, page_start, page_end - 1,
- &cached_state);
+ ret = btrfs_set_extent_delalloc(inode, page_start, page_end - 1,
+ &cached_state);
unlock_extent_cached(&BTRFS_I(inode)->io_tree,
page_start, page_end - 1, &cached_state,
GFP_NOFS);
+ if (ret)
+ goto out;
+
for (i = 0; i < i_done; i++) {
clear_page_dirty_for_io(pages[i]);
ClearPageChecked(pages[i]);
--
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