diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index 399d1b978049..65f438e9537a 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -418,6 +418,7 @@ struct gfs2_args { unsigned int ar_data:2; /* ordered/writeback */ unsigned int ar_meta:1; /* mount metafs */ unsigned int ar_discard:1; /* discard requests */ + int ar_commit; /* Commit interval */ }; struct gfs2_tune { diff --git a/fs/gfs2/mount.c b/fs/gfs2/mount.c index f7e8527a21e0..947af151fa24 100644 --- a/fs/gfs2/mount.c +++ b/fs/gfs2/mount.c @@ -45,6 +45,7 @@ enum { Opt_meta, Opt_discard, Opt_nodiscard, + Opt_commit, Opt_err, }; @@ -73,6 +74,7 @@ static const match_table_t tokens = { {Opt_meta, "meta"}, {Opt_discard, "discard"}, {Opt_nodiscard, "nodiscard"}, + {Opt_commit, "commit=%d"}, {Opt_err, NULL} }; @@ -89,6 +91,7 @@ int gfs2_mount_args(struct gfs2_sbd *sdp, struct gfs2_args *args, char *options) char *o; int token; substring_t tmp[MAX_OPT_ARGS]; + int rv; /* Split the options into tokens with the "," character and process them */ @@ -173,6 +176,13 @@ int gfs2_mount_args(struct gfs2_sbd *sdp, struct gfs2_args *args, char *options) case Opt_nodiscard: args->ar_discard = 0; break; + case Opt_commit: + rv = match_int(&tmp[0], &args->ar_commit); + if (rv || args->ar_commit <= 0) { + fs_info(sdp, "commit mount option requires a positive numeric argument\n"); + return rv ? rv : -EINVAL; + } + break; case Opt_err: default: fs_info(sdp, "invalid mount option: %s\n", o); diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index 1ff9473ea753..7981fbc9fc3b 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -55,7 +55,6 @@ static void gfs2_tune_init(struct gfs2_tune *gt) spin_lock_init(>->gt_spin); gt->gt_incore_log_blocks = 1024; - gt->gt_log_flush_secs = 60; gt->gt_recoverd_secs = 60; gt->gt_logd_secs = 1; gt->gt_quota_simul_sync = 64; @@ -1165,6 +1164,7 @@ static int fill_super(struct super_block *sb, void *data, int silent) sdp->sd_args.ar_quota = GFS2_QUOTA_DEFAULT; sdp->sd_args.ar_data = GFS2_DATA_DEFAULT; + sdp->sd_args.ar_commit = 60; error = gfs2_mount_args(sdp, &sdp->sd_args, data); if (error) { @@ -1191,6 +1191,8 @@ static int fill_super(struct super_block *sb, void *data, int silent) GFS2_BASIC_BLOCK_SHIFT; sdp->sd_fsb2bb = 1 << sdp->sd_fsb2bb_shift; + sdp->sd_tune.gt_log_flush_secs = sdp->sd_args.ar_commit; + error = init_names(sdp, silent); if (error) goto fail; diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c index 458019569dcb..0677a8378560 100644 --- a/fs/gfs2/ops_super.c +++ b/fs/gfs2/ops_super.c @@ -436,8 +436,12 @@ static int gfs2_remount_fs(struct super_block *sb, int *flags, char *data) { struct gfs2_sbd *sdp = sb->s_fs_info; struct gfs2_args args = sdp->sd_args; /* Default to current settings */ + struct gfs2_tune *gt = &sdp->sd_tune; int error; + spin_lock(>->gt_spin); + args.ar_commit = gt->gt_log_flush_secs; + spin_unlock(>->gt_spin); error = gfs2_mount_args(sdp, &args, data); if (error) return error; @@ -473,6 +477,10 @@ static int gfs2_remount_fs(struct super_block *sb, int *flags, char *data) sb->s_flags |= MS_POSIXACL; else sb->s_flags &= ~MS_POSIXACL; + spin_lock(>->gt_spin); + gt->gt_log_flush_secs = args.ar_commit; + spin_unlock(>->gt_spin); + return 0; } @@ -550,6 +558,7 @@ static int gfs2_show_options(struct seq_file *s, struct vfsmount *mnt) { struct gfs2_sbd *sdp = mnt->mnt_sb->s_fs_info; struct gfs2_args *args = &sdp->sd_args; + int lfsecs; if (is_ancestor(mnt->mnt_root, sdp->sd_master_dir)) seq_printf(s, ",meta"); @@ -610,7 +619,9 @@ static int gfs2_show_options(struct seq_file *s, struct vfsmount *mnt) } if (args->ar_discard) seq_printf(s, ",discard"); - + lfsecs = sdp->sd_tune.gt_log_flush_secs; + if (lfsecs != 60) + seq_printf(s, ",commit=%d", lfsecs); return 0; } diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c index 7655f5025fec..d53b22edc980 100644 --- a/fs/gfs2/sys.c +++ b/fs/gfs2/sys.c @@ -26,6 +26,36 @@ #include "util.h" #include "glops.h" +struct gfs2_attr { + struct attribute attr; + ssize_t (*show)(struct gfs2_sbd *, char *); + ssize_t (*store)(struct gfs2_sbd *, const char *, size_t); +}; + +static ssize_t gfs2_attr_show(struct kobject *kobj, struct attribute *attr, + char *buf) +{ + struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj); + struct gfs2_attr *a = container_of(attr, struct gfs2_attr, attr); + return a->show ? a->show(sdp, buf) : 0; +} + +static ssize_t gfs2_attr_store(struct kobject *kobj, struct attribute *attr, + const char *buf, size_t len) +{ + struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj); + struct gfs2_attr *a = container_of(attr, struct gfs2_attr, attr); + return a->store ? a->store(sdp, buf, len) : len; +} + +static struct sysfs_ops gfs2_attr_ops = { + .show = gfs2_attr_show, + .store = gfs2_attr_store, +}; + + +static struct kset *gfs2_kset; + static ssize_t id_show(struct gfs2_sbd *sdp, char *buf) { return snprintf(buf, PAGE_SIZE, "%u:%u\n", @@ -212,11 +242,6 @@ static ssize_t demote_rq_store(struct gfs2_sbd *sdp, const char *buf, size_t len return len; } -struct gfs2_attr { - struct attribute attr; - ssize_t (*show)(struct gfs2_sbd *, char *); - ssize_t (*store)(struct gfs2_sbd *, const char *, size_t); -}; #define GFS2_ATTR(name, mode, show, store) \ static struct gfs2_attr gfs2_attr_##name = __ATTR(name, mode, show, store) @@ -246,49 +271,21 @@ static struct attribute *gfs2_attrs[] = { NULL, }; -static ssize_t gfs2_attr_show(struct kobject *kobj, struct attribute *attr, - char *buf) -{ - struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj); - struct gfs2_attr *a = container_of(attr, struct gfs2_attr, attr); - return a->show ? a->show(sdp, buf) : 0; -} - -static ssize_t gfs2_attr_store(struct kobject *kobj, struct attribute *attr, - const char *buf, size_t len) -{ - struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj); - struct gfs2_attr *a = container_of(attr, struct gfs2_attr, attr); - return a->store ? a->store(sdp, buf, len) : len; -} - -static struct sysfs_ops gfs2_attr_ops = { - .show = gfs2_attr_show, - .store = gfs2_attr_store, -}; - static struct kobj_type gfs2_ktype = { .default_attrs = gfs2_attrs, .sysfs_ops = &gfs2_attr_ops, }; -static struct kset *gfs2_kset; - /* * display struct lm_lockstruct fields */ -struct lockstruct_attr { - struct attribute attr; - ssize_t (*show)(struct gfs2_sbd *, char *); -}; - #define LOCKSTRUCT_ATTR(name, fmt) \ static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \ { \ return snprintf(buf, PAGE_SIZE, fmt, sdp->sd_lockstruct.ls_##name); \ } \ -static struct lockstruct_attr lockstruct_attr_##name = __ATTR_RO(name) +static struct gfs2_attr lockstruct_attr_##name = __ATTR_RO(name) LOCKSTRUCT_ATTR(jid, "%u\n"); LOCKSTRUCT_ATTR(first, "%u\n"); @@ -401,14 +398,8 @@ static ssize_t recover_status_show(struct gfs2_sbd *sdp, char *buf) return sprintf(buf, "%d\n", ls->ls_recover_jid_status); } -struct gdlm_attr { - struct attribute attr; - ssize_t (*show)(struct gfs2_sbd *sdp, char *); - ssize_t (*store)(struct gfs2_sbd *sdp, const char *, size_t); -}; - #define GDLM_ATTR(_name,_mode,_show,_store) \ -static struct gdlm_attr gdlm_attr_##_name = __ATTR(_name,_mode,_show,_store) +static struct gfs2_attr gdlm_attr_##_name = __ATTR(_name,_mode,_show,_store) GDLM_ATTR(proto_name, 0444, proto_name_show, NULL); GDLM_ATTR(block, 0644, block_show, block_store); @@ -434,21 +425,12 @@ static struct attribute *lock_module_attrs[] = { NULL, }; -/* - * display struct gfs2_args fields - */ - -struct args_attr { - struct attribute attr; - ssize_t (*show)(struct gfs2_sbd *, char *); -}; - #define ARGS_ATTR(name, fmt) \ static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \ { \ return snprintf(buf, PAGE_SIZE, fmt, sdp->sd_args.ar_##name); \ } \ -static struct args_attr args_attr_##name = __ATTR_RO(name) +static struct gfs2_attr args_attr_##name = __ATTR_RO(name) ARGS_ATTR(lockproto, "%s\n"); ARGS_ATTR(locktable, "%s\n"); @@ -531,14 +513,8 @@ static ssize_t tune_set(struct gfs2_sbd *sdp, unsigned int *field, return len; } -struct tune_attr { - struct attribute attr; - ssize_t (*show)(struct gfs2_sbd *, char *); - ssize_t (*store)(struct gfs2_sbd *, const char *, size_t); -}; - #define TUNE_ATTR_3(name, show, store) \ -static struct tune_attr tune_attr_##name = __ATTR(name, 0644, show, store) +static struct gfs2_attr tune_attr_##name = __ATTR(name, 0644, show, store) #define TUNE_ATTR_2(name, store) \ static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \