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Subject[PATCH] ocfs: fix fall-back-to-buffer-io-when-append-dio-is-disabled-with-file-hole-existing-fix
Date
The 'ret' variable is used to store the integer return value of
ocfs2_get_clusters(), as shown by this warning from modern
compilers:

fs/ocfs2/aops.c: In function 'ocfs2_range_has_holes':
fs/ocfs2/aops.c:2437:11: error: comparison of constant '0' with boolean expression is always false [-Werror=bool-compare]

Fixes: mmotm ("ocfs2-fall-back-to-buffer-io-when-append-dio-is-disabled-with-file-hole-existing-fix")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
fs/ocfs2/aops.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 87562112cb5e..8aa2519a0966 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -2432,10 +2432,11 @@ static bool ocfs2_range_has_holes(struct inode *inode, loff_t pos, size_t count)
clusters = ocfs2_clusters_for_bytes(sb, pos + count) - cpos;

while (clusters) {
- ret = ocfs2_get_clusters(inode, cpos, &phys_cpos, &extent_len,
- &extent_flags);
- if (ret < 0) {
- mlog_errno(ret);
+ int err = ocfs2_get_clusters(inode, cpos, &phys_cpos,
+ &extent_len, &extent_flags);
+ if (err < 0) {
+ mlog_errno(err);
+ ret = true;
goto out;
}

--
2.9.0
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