[PATCH 4.19 008/110] ext4: report real fs size after failed resize

From: Greg Kroah-Hartman
Date: Thu Apr 18 2019 - 13:59:10 EST

[ Upstream commit 6c7328400e0488f7d49e19e02290ba343b6811b2 ]

Currently when the file system resize using ext4_resize_fs() fails it
will report into log that "resized filesystem to <requested block
count>". However this may not be true in the case of failure. Use the
current block count as returned by ext4_blocks_count() to report the
block count.

Additionally, report a warning that "error occurred during file system

Signed-off-by: Lukas Czerner <lczerner@xxxxxxxxxx>
Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
fs/ext4/resize.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 90061c3d048b..e7ae26e36c9c 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -2080,6 +2080,10 @@ int ext4_resize_fs(struct super_block *sb, ext4_fsblk_t n_blocks_count)
if (resize_inode != NULL)
- ext4_msg(sb, KERN_INFO, "resized filesystem to %llu", n_blocks_count);
+ if (err)
+ ext4_warning(sb, "error (%d) occurred during "
+ "file system resize", err);
+ ext4_msg(sb, KERN_INFO, "resized filesystem to %llu",
+ ext4_blocks_count(es));
return err;