diff options
Diffstat (limited to 'fs/gfs2/ops_fstype.c')
| -rw-r--r-- | fs/gfs2/ops_fstype.c | 125 |
1 files changed, 84 insertions, 41 deletions
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index b117fcf2c4f5..f91eebdde581 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -22,20 +22,18 @@ #include "gfs2.h" #include "incore.h" #include "bmap.h" -#include "daemon.h" #include "glock.h" #include "glops.h" #include "inode.h" #include "mount.h" -#include "ops_fstype.h" -#include "ops_dentry.h" -#include "ops_super.h" #include "recovery.h" #include "rgrp.h" #include "super.h" #include "sys.h" #include "util.h" #include "log.h" +#include "quota.h" +#include "dir.h" #define DO 0 #define UNDO 1 @@ -58,12 +56,10 @@ static void gfs2_tune_init(struct gfs2_tune *gt) { spin_lock_init(>->gt_spin); - gt->gt_demote_secs = 300; gt->gt_incore_log_blocks = 1024; gt->gt_log_flush_secs = 60; gt->gt_recoverd_secs = 60; gt->gt_logd_secs = 1; - gt->gt_quotad_secs = 5; gt->gt_quota_simul_sync = 64; gt->gt_quota_warn_period = 10; gt->gt_quota_scale_num = 1; @@ -91,10 +87,6 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb) gfs2_tune_init(&sdp->sd_tune); - INIT_LIST_HEAD(&sdp->sd_reclaim_list); - spin_lock_init(&sdp->sd_reclaim_lock); - init_waitqueue_head(&sdp->sd_reclaim_wq); - mutex_init(&sdp->sd_inum_mutex); spin_lock_init(&sdp->sd_statfs_spin); @@ -110,6 +102,9 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb) INIT_LIST_HEAD(&sdp->sd_quota_list); spin_lock_init(&sdp->sd_quota_spin); mutex_init(&sdp->sd_quota_mutex); + init_waitqueue_head(&sdp->sd_quota_wait); + INIT_LIST_HEAD(&sdp->sd_trunc_list); + spin_lock_init(&sdp->sd_trunc_lock); spin_lock_init(&sdp->sd_log_lock); @@ -443,24 +438,11 @@ out: static int init_locking(struct gfs2_sbd *sdp, struct gfs2_holder *mount_gh, int undo) { - struct task_struct *p; int error = 0; if (undo) goto fail_trans; - for (sdp->sd_glockd_num = 0; - sdp->sd_glockd_num < sdp->sd_args.ar_num_glockd; - sdp->sd_glockd_num++) { - p = kthread_run(gfs2_glockd, sdp, "gfs2_glockd"); - error = IS_ERR(p); - if (error) { - fs_err(sdp, "can't start glockd thread: %d\n", error); - goto fail; - } - sdp->sd_glockd_process[sdp->sd_glockd_num] = p; - } - error = gfs2_glock_nq_num(sdp, GFS2_MOUNT_LOCK, &gfs2_nondisk_glops, LM_ST_EXCLUSIVE, LM_FLAG_NOEXP | GL_NOCACHE, @@ -493,7 +475,6 @@ static int init_locking(struct gfs2_sbd *sdp, struct gfs2_holder *mount_gh, fs_err(sdp, "can't create transaction glock: %d\n", error); goto fail_rename; } - set_bit(GLF_STICKY, &sdp->sd_trans_gl->gl_flags); return 0; @@ -506,9 +487,6 @@ fail_live: fail_mount: gfs2_glock_dq_uninit(mount_gh); fail: - while (sdp->sd_glockd_num--) - kthread_stop(sdp->sd_glockd_process[sdp->sd_glockd_num]); - return error; } @@ -620,7 +598,7 @@ static int map_journal_extents(struct gfs2_sbd *sdp) prev_db = 0; - for (lb = 0; lb < ip->i_di.di_size >> sdp->sd_sb.sb_bsize_shift; lb++) { + for (lb = 0; lb < ip->i_disksize >> sdp->sd_sb.sb_bsize_shift; lb++) { bh.b_state = 0; bh.b_blocknr = 0; bh.b_size = 1 << ip->i_inode.i_blkbits; @@ -661,6 +639,72 @@ static void gfs2_lm_others_may_mount(struct gfs2_sbd *sdp) sdp->sd_lockstruct.ls_lockspace); } +/** + * gfs2_jindex_hold - Grab a lock on the jindex + * @sdp: The GFS2 superblock + * @ji_gh: the holder for the jindex glock + * + * Returns: errno + */ + +static int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh) +{ + struct gfs2_inode *dip = GFS2_I(sdp->sd_jindex); + struct qstr name; + char buf[20]; + struct gfs2_jdesc *jd; + int error; + + name.name = buf; + + mutex_lock(&sdp->sd_jindex_mutex); + + for (;;) { + error = gfs2_glock_nq_init(dip->i_gl, LM_ST_SHARED, 0, ji_gh); + if (error) + break; + + name.len = sprintf(buf, "journal%u", sdp->sd_journals); + name.hash = gfs2_disk_hash(name.name, name.len); + + error = gfs2_dir_check(sdp->sd_jindex, &name, NULL); + if (error == -ENOENT) { + error = 0; + break; + } + + gfs2_glock_dq_uninit(ji_gh); + + if (error) + break; + + error = -ENOMEM; + jd = kzalloc(sizeof(struct gfs2_jdesc), GFP_KERNEL); + if (!jd) + break; + + INIT_LIST_HEAD(&jd->extent_list); + jd->jd_inode = gfs2_lookupi(sdp->sd_jindex, &name, 1); + if (!jd->jd_inode || IS_ERR(jd->jd_inode)) { + if (!jd->jd_inode) + error = -ENOENT; + else + error = PTR_ERR(jd->jd_inode); + kfree(jd); + break; + } + + spin_lock(&sdp->sd_jindex_spin); + jd->jd_jid = sdp->sd_journals++; + list_add_tail(&jd->jd_list, &sdp->sd_jindex_list); + spin_unlock(&sdp->sd_jindex_spin); + } + + mutex_unlock(&sdp->sd_jindex_mutex); + + return error; +} + static int init_journal(struct gfs2_sbd *sdp, int undo) { struct inode *master = sdp->sd_master_dir->d_inode; @@ -681,7 +725,6 @@ static int init_journal(struct gfs2_sbd *sdp, int undo) return PTR_ERR(sdp->sd_jindex); } ip = GFS2_I(sdp->sd_jindex); - set_bit(GLF_STICKY, &ip->i_gl->gl_flags); /* Load in the journal index special file */ @@ -832,7 +875,6 @@ static int init_inodes(struct gfs2_sbd *sdp, int undo) goto fail_statfs; } ip = GFS2_I(sdp->sd_rindex); - set_bit(GLF_STICKY, &ip->i_gl->gl_flags); sdp->sd_rindex_uptodate = 0; /* Read in the quota inode */ @@ -973,9 +1015,6 @@ static int init_threads(struct gfs2_sbd *sdp, int undo) } sdp->sd_logd_process = p; - sdp->sd_statfs_sync_time = jiffies; - sdp->sd_quota_sync_time = jiffies; - p = kthread_run(gfs2_quotad, sdp, "gfs2_quotad"); error = IS_ERR(p); if (error) { @@ -1224,17 +1263,21 @@ static int gfs2_get_sb_meta(struct file_system_type *fs_type, int flags, static void gfs2_kill_sb(struct super_block *sb) { struct gfs2_sbd *sdp = sb->s_fs_info; - if (sdp) { - gfs2_meta_syncfs(sdp); - dput(sdp->sd_root_dir); - dput(sdp->sd_master_dir); - sdp->sd_root_dir = NULL; - sdp->sd_master_dir = NULL; + + if (sdp == NULL) { + kill_block_super(sb); + return; } + + gfs2_meta_syncfs(sdp); + dput(sdp->sd_root_dir); + dput(sdp->sd_master_dir); + sdp->sd_root_dir = NULL; + sdp->sd_master_dir = NULL; shrink_dcache_sb(sb); kill_block_super(sb); - if (sdp) - gfs2_delete_debugfs_file(sdp); + gfs2_delete_debugfs_file(sdp); + kfree(sdp); } struct file_system_type gfs2_fs_type = { |