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Subject[PATCH 04/24] GFS2: sparse annotation of gl->gl_spin
Date
From: Harvey Harrison <harvey.harrison@gmail.com>

fs/gfs2/glock.c:308:5: warning: context problem in 'do_promote': '_spin_unlock' expected different context
fs/gfs2/glock.c:308:5: context '*gl+28': wanted >= 1, got 0
fs/gfs2/glock.c:529:2: warning: context problem in 'do_xmote': '_spin_unlock' expected different context
fs/gfs2/glock.c:529:2: context '*gl+28': wanted >= 1, got 0
fs/gfs2/glock.c:925:3: warning: context problem in 'add_to_queue': '_spin_unlock' expected different context
fs/gfs2/glock.c:925:3: context '*gl+28': wanted >= 1, got 0

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index c962283..27cb9cc 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -293,6 +293,8 @@ static void gfs2_holder_wake(struct gfs2_holder *gh)
*/

static int do_promote(struct gfs2_glock *gl)
+__releases(&gl->gl_spin)
+__acquires(&gl->gl_spin)
{
const struct gfs2_glock_operations *glops = gl->gl_ops;
struct gfs2_holder *gh, *tmp;
@@ -511,6 +513,8 @@ static unsigned int gfs2_lm_lock(struct gfs2_sbd *sdp, void *lock,
*/

static void do_xmote(struct gfs2_glock *gl, struct gfs2_holder *gh, unsigned int target)
+__releases(&gl->gl_spin)
+__acquires(&gl->gl_spin)
{
const struct gfs2_glock_operations *glops = gl->gl_ops;
struct gfs2_sbd *sdp = gl->gl_sbd;
@@ -576,6 +580,8 @@ static inline struct gfs2_holder *find_first_holder(const struct gfs2_glock *gl)
*/

static void run_queue(struct gfs2_glock *gl, const int nonblock)
+__releases(&gl->gl_spin)
+__acquires(&gl->gl_spin)
{
struct gfs2_holder *gh = NULL;

@@ -877,6 +883,8 @@ void gfs2_print_dbg(struct seq_file *seq, const char *fmt, ...)
*/

static inline void add_to_queue(struct gfs2_holder *gh)
+__releases(&gl->gl_spin)
+__acquires(&gl->gl_spin)
{
struct gfs2_glock *gl = gh->gh_gl;
struct gfs2_sbd *sdp = gl->gl_sbd;
--
1.6.0.3


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