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Diffstat (limited to 'fs/gfs2/super.c')
-rw-r--r--fs/gfs2/super.c118
1 files changed, 21 insertions, 97 deletions
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 44e5658b896c..7c518c4ff638 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -134,28 +134,18 @@ int gfs2_make_fs_rw(struct gfs2_sbd *sdp)
{
struct gfs2_inode *ip = GFS2_I(sdp->sd_jdesc->jd_inode);
struct gfs2_glock *j_gl = ip->i_gl;
- struct gfs2_log_header_host head;
int error;
j_gl->gl_ops->go_inval(j_gl, DIO_METADATA);
if (gfs2_withdrawing_or_withdrawn(sdp))
return -EIO;
- error = gfs2_find_jhead(sdp->sd_jdesc, &head, false);
- if (error) {
- gfs2_consist(sdp);
- return error;
- }
-
- if (!(head.lh_flags & GFS2_LOG_HEAD_UNMOUNT)) {
- gfs2_consist(sdp);
+ if (sdp->sd_log_sequence == 0) {
+ fs_err(sdp, "unknown status of our own journal jid %d",
+ sdp->sd_lockstruct.ls_jid);
return -EIO;
}
- /* Initialize some head of the log stuff */
- sdp->sd_log_sequence = head.lh_sequence + 1;
- gfs2_log_pointers_init(sdp, head.lh_blkno);
-
error = gfs2_quota_init(sdp);
if (!error && gfs2_withdrawing_or_withdrawn(sdp))
error = -EIO;
@@ -370,7 +360,7 @@ static int gfs2_lock_fs_check_clean(struct gfs2_sbd *sdp)
error = gfs2_jdesc_check(jd);
if (error)
break;
- error = gfs2_find_jhead(jd, &lh, false);
+ error = gfs2_find_jhead(jd, &lh);
if (error)
break;
if (!(lh.lh_flags & GFS2_LOG_HEAD_UNMOUNT)) {
@@ -648,7 +638,7 @@ restart:
gfs2_jindex_free(sdp);
/* Take apart glock structures and buffer lists */
gfs2_gl_hash_clear(sdp);
- truncate_inode_pages_final(&sdp->sd_aspace);
+ iput(sdp->sd_inode);
gfs2_delete_debugfs_file(sdp);
gfs2_sys_fs_del(sdp);
@@ -674,7 +664,7 @@ static int gfs2_sync_fs(struct super_block *sb, int wait)
return sdp->sd_log_error;
}
-static int gfs2_do_thaw(struct gfs2_sbd *sdp)
+static int gfs2_do_thaw(struct gfs2_sbd *sdp, enum freeze_holder who, const void *freeze_owner)
{
struct super_block *sb = sdp->sd_vfs;
int error;
@@ -682,7 +672,7 @@ static int gfs2_do_thaw(struct gfs2_sbd *sdp)
error = gfs2_freeze_lock_shared(sdp);
if (error)
goto fail;
- error = thaw_super(sb, FREEZE_HOLDER_USERSPACE);
+ error = thaw_super(sb, who, freeze_owner);
if (!error)
return 0;
@@ -703,14 +693,14 @@ void gfs2_freeze_func(struct work_struct *work)
if (test_bit(SDF_FROZEN, &sdp->sd_flags))
goto freeze_failed;
- error = freeze_super(sb, FREEZE_HOLDER_USERSPACE);
+ error = freeze_super(sb, FREEZE_HOLDER_USERSPACE, NULL);
if (error)
goto freeze_failed;
gfs2_freeze_unlock(sdp);
set_bit(SDF_FROZEN, &sdp->sd_flags);
- error = gfs2_do_thaw(sdp);
+ error = gfs2_do_thaw(sdp, FREEZE_HOLDER_USERSPACE, NULL);
if (error)
goto out;
@@ -728,10 +718,13 @@ out:
/**
* gfs2_freeze_super - prevent further writes to the filesystem
* @sb: the VFS structure for the filesystem
+ * @who: freeze flags
+ * @freeze_owner: owner of the freeze
*
*/
-static int gfs2_freeze_super(struct super_block *sb, enum freeze_holder who)
+static int gfs2_freeze_super(struct super_block *sb, enum freeze_holder who,
+ const void *freeze_owner)
{
struct gfs2_sbd *sdp = sb->s_fs_info;
int error;
@@ -744,7 +737,7 @@ static int gfs2_freeze_super(struct super_block *sb, enum freeze_holder who)
}
for (;;) {
- error = freeze_super(sb, FREEZE_HOLDER_USERSPACE);
+ error = freeze_super(sb, who, freeze_owner);
if (error) {
fs_info(sdp, "GFS2: couldn't freeze filesystem: %d\n",
error);
@@ -758,7 +751,7 @@ static int gfs2_freeze_super(struct super_block *sb, enum freeze_holder who)
break;
}
- error = gfs2_do_thaw(sdp);
+ error = gfs2_do_thaw(sdp, who, freeze_owner);
if (error)
goto out;
@@ -796,10 +789,13 @@ static int gfs2_freeze_fs(struct super_block *sb)
/**
* gfs2_thaw_super - reallow writes to the filesystem
* @sb: the VFS structure for the filesystem
+ * @who: freeze flags
+ * @freeze_owner: owner of the freeze
*
*/
-static int gfs2_thaw_super(struct super_block *sb, enum freeze_holder who)
+static int gfs2_thaw_super(struct super_block *sb, enum freeze_holder who,
+ const void *freeze_owner)
{
struct gfs2_sbd *sdp = sb->s_fs_info;
int error;
@@ -814,7 +810,7 @@ static int gfs2_thaw_super(struct super_block *sb, enum freeze_holder who)
atomic_inc(&sb->s_active);
gfs2_freeze_unlock(sdp);
- error = gfs2_do_thaw(sdp);
+ error = gfs2_do_thaw(sdp, who, freeze_owner);
if (!error) {
clear_bit(SDF_FREEZE_INITIATOR, &sdp->sd_flags);
@@ -1173,74 +1169,6 @@ static int gfs2_show_options(struct seq_file *s, struct dentry *root)
return 0;
}
-static void gfs2_final_release_pages(struct gfs2_inode *ip)
-{
- struct inode *inode = &ip->i_inode;
- struct gfs2_glock *gl = ip->i_gl;
-
- if (unlikely(!gl)) {
- /* This can only happen during incomplete inode creation. */
- BUG_ON(!test_bit(GIF_ALLOC_FAILED, &ip->i_flags));
- return;
- }
-
- truncate_inode_pages(gfs2_glock2aspace(gl), 0);
- truncate_inode_pages(&inode->i_data, 0);
-
- if (atomic_read(&gl->gl_revokes) == 0) {
- clear_bit(GLF_LFLUSH, &gl->gl_flags);
- clear_bit(GLF_DIRTY, &gl->gl_flags);
- }
-}
-
-static int gfs2_dinode_dealloc(struct gfs2_inode *ip)
-{
- struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
- struct gfs2_rgrpd *rgd;
- struct gfs2_holder gh;
- int error;
-
- if (gfs2_get_inode_blocks(&ip->i_inode) != 1) {
- gfs2_consist_inode(ip);
- return -EIO;
- }
-
- gfs2_rindex_update(sdp);
-
- error = gfs2_quota_hold(ip, NO_UID_QUOTA_CHANGE, NO_GID_QUOTA_CHANGE);
- if (error)
- return error;
-
- rgd = gfs2_blk2rgrpd(sdp, ip->i_no_addr, 1);
- if (!rgd) {
- gfs2_consist_inode(ip);
- error = -EIO;
- goto out_qs;
- }
-
- error = gfs2_glock_nq_init(rgd->rd_gl, LM_ST_EXCLUSIVE,
- LM_FLAG_NODE_SCOPE, &gh);
- if (error)
- goto out_qs;
-
- error = gfs2_trans_begin(sdp, RES_RG_BIT + RES_STATFS + RES_QUOTA,
- sdp->sd_jdesc->jd_blocks);
- if (error)
- goto out_rg_gunlock;
-
- gfs2_free_di(rgd, ip);
-
- gfs2_final_release_pages(ip);
-
- gfs2_trans_end(sdp);
-
-out_rg_gunlock:
- gfs2_glock_dq_uninit(&gh);
-out_qs:
- gfs2_quota_unhold(ip);
- return error;
-}
-
/**
* gfs2_glock_put_eventually
* @gl: The glock to put
@@ -1326,9 +1254,6 @@ static enum evict_behavior evict_should_delete(struct inode *inode,
struct gfs2_sbd *sdp = sb->s_fs_info;
int ret;
- if (unlikely(test_bit(GIF_ALLOC_FAILED, &ip->i_flags)))
- goto should_delete;
-
if (gfs2_holder_initialized(&ip->i_iopen_gh) &&
test_bit(GLF_DEFER_DELETE, &ip->i_iopen_gh.gh_gl->gl_flags))
return EVICT_SHOULD_DEFER_DELETE;
@@ -1358,7 +1283,6 @@ static enum evict_behavior evict_should_delete(struct inode *inode,
if (inode->i_nlink)
return EVICT_SHOULD_SKIP_DELETE;
-should_delete:
if (gfs2_holder_initialized(&ip->i_iopen_gh) &&
test_bit(HIF_HOLDER, &ip->i_iopen_gh.gh_iflags))
return gfs2_upgrade_iopen_glock(inode);
@@ -1382,7 +1306,7 @@ static int evict_unlinked_inode(struct inode *inode)
}
if (ip->i_eattr) {
- ret = gfs2_ea_dealloc(ip);
+ ret = gfs2_ea_dealloc(ip, true);
if (ret)
goto out;
}