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authorSteven Whitehouse <swhiteho@redhat.com>2006-09-04 09:49:55 -0400
committerSteven Whitehouse <swhiteho@redhat.com>2006-09-04 09:49:55 -0400
commit5029996547a9f3988459e11955c13259495308ef (patch)
tree4667c98c19a6f39dc820e4eb648ecfa03b29bce2 /fs/gfs2/lm.c
parente9fc2aa091ab8fa46e60d4c9d06a89305c441652 (diff)
[GFS2] Tidy up locking code
As per Jan Engelhardt's second email, this removes some unused code, and fixes up indenting in various places. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/lm.c')
-rw-r--r--fs/gfs2/lm.c62
1 files changed, 18 insertions, 44 deletions
diff --git a/fs/gfs2/lm.c b/fs/gfs2/lm.c
index 1a9e75da19d1..fb918c7de655 100644
--- a/fs/gfs2/lm.c
+++ b/fs/gfs2/lm.c
@@ -124,10 +124,8 @@ int gfs2_lm_withdraw(struct gfs2_sbd *sdp, char *fmt, ...)
int gfs2_lm_get_lock(struct gfs2_sbd *sdp, struct lm_lockname *name,
lm_lock_t **lockp)
{
- int error;
- if (unlikely(test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
- error = -EIO;
- else
+ int error = -EIO;
+ if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
error = sdp->sd_lockstruct.ls_ops->lm_get_lock(
sdp->sd_lockstruct.ls_lockspace, name, lockp);
return error;
@@ -143,12 +141,9 @@ unsigned int gfs2_lm_lock(struct gfs2_sbd *sdp, lm_lock_t *lock,
unsigned int cur_state, unsigned int req_state,
unsigned int flags)
{
- int ret;
- if (unlikely(test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
- ret = 0;
- else
- ret = sdp->sd_lockstruct.ls_ops->lm_lock(lock,
- cur_state,
+ int ret = 0;
+ if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
+ ret = sdp->sd_lockstruct.ls_ops->lm_lock(lock, cur_state,
req_state, flags);
return ret;
}
@@ -156,10 +151,8 @@ unsigned int gfs2_lm_lock(struct gfs2_sbd *sdp, lm_lock_t *lock,
unsigned int gfs2_lm_unlock(struct gfs2_sbd *sdp, lm_lock_t *lock,
unsigned int cur_state)
{
- int ret;
- if (unlikely(test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
- ret = 0;
- else
+ int ret = 0;
+ if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
ret = sdp->sd_lockstruct.ls_ops->lm_unlock(lock, cur_state);
return ret;
}
@@ -172,10 +165,8 @@ void gfs2_lm_cancel(struct gfs2_sbd *sdp, lm_lock_t *lock)
int gfs2_lm_hold_lvb(struct gfs2_sbd *sdp, lm_lock_t *lock, char **lvbp)
{
- int error;
- if (unlikely(test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
- error = -EIO;
- else
+ int error = -EIO;
+ if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
error = sdp->sd_lockstruct.ls_ops->lm_hold_lvb(lock, lvbp);
return error;
}
@@ -186,50 +177,33 @@ void gfs2_lm_unhold_lvb(struct gfs2_sbd *sdp, lm_lock_t *lock, char *lvb)
sdp->sd_lockstruct.ls_ops->lm_unhold_lvb(lock, lvb);
}
-#if 0
-void gfs2_lm_sync_lvb(struct gfs2_sbd *sdp, lm_lock_t *lock, char *lvb)
-{
- if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
- sdp->sd_lockstruct.ls_ops->lm_sync_lvb(lock, lvb);
-}
-#endif /* 0 */
-
int gfs2_lm_plock_get(struct gfs2_sbd *sdp, struct lm_lockname *name,
struct file *file, struct file_lock *fl)
{
- int error;
- if (unlikely(test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
- error = -EIO;
- else
+ int error = -EIO;
+ if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
error = sdp->sd_lockstruct.ls_ops->lm_plock_get(
- sdp->sd_lockstruct.ls_lockspace,
- name, file, fl);
+ sdp->sd_lockstruct.ls_lockspace, name, file, fl);
return error;
}
int gfs2_lm_plock(struct gfs2_sbd *sdp, struct lm_lockname *name,
struct file *file, int cmd, struct file_lock *fl)
{
- int error;
- if (unlikely(test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
- error = -EIO;
- else
+ int error = -EIO;
+ if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
error = sdp->sd_lockstruct.ls_ops->lm_plock(
- sdp->sd_lockstruct.ls_lockspace,
- name, file, cmd, fl);
+ sdp->sd_lockstruct.ls_lockspace, name, file, cmd, fl);
return error;
}
int gfs2_lm_punlock(struct gfs2_sbd *sdp, struct lm_lockname *name,
struct file *file, struct file_lock *fl)
{
- int error;
- if (unlikely(test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
- error = -EIO;
- else
+ int error = -EIO;
+ if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
error = sdp->sd_lockstruct.ls_ops->lm_punlock(
- sdp->sd_lockstruct.ls_lockspace,
- name, file, fl);
+ sdp->sd_lockstruct.ls_lockspace, name, file, fl);
return error;
}