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authorDmitry Monakhov <dmonakhov@gmail.com>2019-11-14 23:01:47 +0300
committerTheodore Ts'o <tytso@mit.edu>2020-01-25 10:03:03 +0300
commit52144d893d76294db9ed79a909397ea81bc25a02 (patch)
tree4ecfa9eab59cf01d534fbda06d0679981295aca3 /fs/ext4/extents_status.h
parent459c80742e6a4a5375d9765a326e6047103460f5 (diff)
downloadlinux-52144d893d76294db9ed79a909397ea81bc25a02.tar.xz
ext4: fix extent_status trace points
Show pblock only if it has meaningful value. # before ext4:ext4_es_lookup_extent_exit: dev 253,0 ino 12 found 1 [1/4294967294) 576460752303423487 H ext4:ext4_es_lookup_extent_exit: dev 253,0 ino 12 found 1 [2/4294967293) 576460752303423487 HR # after ext4:ext4_es_lookup_extent_exit: dev 253,0 ino 12 found 1 [1/4294967294) 0 H ext4:ext4_es_lookup_extent_exit: dev 253,0 ino 12 found 1 [2/4294967293) 0 HR Signed-off-by: Dmitry Monakhov <dmonakhov@gmail.com> Link: https://lore.kernel.org/r/20191114200147.1073-2-dmonakhov@gmail.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/extents_status.h')
-rw-r--r--fs/ext4/extents_status.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/ext4/extents_status.h b/fs/ext4/extents_status.h
index 825313c59752..4ec30a798260 100644
--- a/fs/ext4/extents_status.h
+++ b/fs/ext4/extents_status.h
@@ -209,6 +209,12 @@ static inline ext4_fsblk_t ext4_es_pblock(struct extent_status *es)
return es->es_pblk & ~ES_MASK;
}
+static inline ext4_fsblk_t ext4_es_show_pblock(struct extent_status *es)
+{
+ ext4_fsblk_t pblock = ext4_es_pblock(es);
+ return pblock == ~ES_MASK ? 0 : pblock;
+}
+
static inline void ext4_es_store_pblock(struct extent_status *es,
ext4_fsblk_t pb)
{