Have a "test" function change the value it is testing can be confusing, particularly as a future patch will be calling this function twice. So move the update for 'last_used' to avoid repeat expiry to the place where the final determination on what to expire is known. Reviewed-by: Ian Kent <raven@xxxxxxxxxx> Tested-by: Ian Kent <raven@xxxxxxxxxx> Signed-off-by: NeilBrown <neilb@xxxxxxx> --- fs/autofs4/expire.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c index bee939efca2b..af09dada91bc 100644 --- a/fs/autofs4/expire.c +++ b/fs/autofs4/expire.c @@ -30,12 +30,6 @@ static inline int autofs4_can_expire(struct dentry *dentry, /* Too young to die */ if (!timeout || time_after(ino->last_used + timeout, now)) return 0; - - /* update last_used here :- - - obviously makes sense if it is in use now - - less obviously, prevents rapid-fire expire - attempts if expire fails the first time */ - ino->last_used = now; } return 1; } @@ -541,6 +535,8 @@ int autofs4_expire_run(struct super_block *sb, spin_lock(&sbi->fs_lock); ino = autofs4_dentry_ino(dentry); + /* avoid rapid-fire expire attempts if expiry fails */ + ino->last_used = now; ino->flags &= ~AUTOFS_INF_EXPIRING; complete_all(&ino->expire_complete); spin_unlock(&sbi->fs_lock); @@ -567,6 +563,8 @@ int autofs4_do_expire_multi(struct super_block *sb, struct vfsmount *mnt, ret = autofs4_wait(sbi, dentry, NFY_EXPIRE); spin_lock(&sbi->fs_lock); + /* avoid rapid-fire expire attempts if expiry fails */ + ino->last_used = now; ino->flags &= ~AUTOFS_INF_EXPIRING; complete_all(&ino->expire_complete); spin_unlock(&sbi->fs_lock); -- To unsubscribe from this list: send the line "unsubscribe autofs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
