The patch titled
Subject: nilfs2: fix gcc warning at nilfs_checkpoint_is_mounted()
has been added to the -mm tree. Its filename is
nilfs2-fix-gcc-warning-at-nilfs_checkpoint_is_mounted.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/nilfs2-fix-gcc-warning-at-nilfs_checkpoint_is_mounted.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/nilfs2-fix-gcc-warning-at-nilfs_checkpoint_is_mounted.patch
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------------------------------------------------------
From: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxxxxxx>
Subject: nilfs2: fix gcc warning at nilfs_checkpoint_is_mounted()
Fix the following build warning:
fs/nilfs2/super.c: In function 'nilfs_checkpoint_is_mounted':
fs/nilfs2/super.c:1023:10: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
if (cno < 0 || cno > nilfs->ns_cno)
^
This warning indicates that the comparision "cno < 0" is useless because
variable "cno" has an unsigned integer type "__u64".
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxxxxxx>
Reported-by: David Binderman <dcb314@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/nilfs2/super.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN fs/nilfs2/super.c~nilfs2-fix-gcc-warning-at-nilfs_checkpoint_is_mounted fs/nilfs2/super.c
--- a/fs/nilfs2/super.c~nilfs2-fix-gcc-warning-at-nilfs_checkpoint_is_mounted
+++ a/fs/nilfs2/super.c
@@ -1020,7 +1020,7 @@ int nilfs_checkpoint_is_mounted(struct s
struct dentry *dentry;
int ret;
- if (cno < 0 || cno > nilfs->ns_cno)
+ if (cno > nilfs->ns_cno)
return false;
if (cno >= nilfs_last_cno(nilfs))
_
Patches currently in -mm which might be from konishi.ryusuke@xxxxxxxxxxxxx are
nilfs2-do-not-use-async-write-flag-for-segment-summary-buffers.patch
nilfs2-use-set_mask_bits-for-operations-on-buffer-state-bitmap.patch
nilfs2-use-bgl_lock_ptr.patch
nilfs2-unify-type-of-key-arguments-in-bmap-interface.patch
nilfs2-add-bmap-function-to-seek-a-valid-key.patch
nilfs2-add-bmap-function-to-seek-a-valid-key-fix.patch
nilfs2-add-helper-to-find-existent-block-on-metadata-file.patch
nilfs2-improve-execution-time-of-nilfs_ioctl_get_cpinfo-ioctl.patch
nilfs2-fix-gcc-warning-at-nilfs_checkpoint_is_mounted.patch
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