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-rw-r--r--fs/gfs2/bmap.c68
-rw-r--r--fs/gfs2/glops.c2
-rw-r--r--fs/gfs2/inode.c13
-rw-r--r--fs/gfs2/log.c13
-rw-r--r--fs/gfs2/ops_fstype.c14
-rw-r--r--fs/gfs2/trans.c2
6 files changed, 74 insertions, 38 deletions
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index adbb8fef2216..50fa3e08c02f 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -1350,9 +1350,15 @@ int gfs2_extent_map(struct inode *inode, u64 lblock, int *new, u64 *dblock, unsi
return ret;
}
+/*
+ * NOTE: Never call gfs2_block_zero_range with an open transaction because it
+ * uses iomap write to perform its actions, which begin their own transactions
+ * (iomap_begin, page_prepare, etc.)
+ */
static int gfs2_block_zero_range(struct inode *inode, loff_t from,
unsigned int length)
{
+ BUG_ON(current->journal_info);
return iomap_zero_range(inode, from, length, NULL, &gfs2_iomap_ops);
}
@@ -1413,6 +1419,16 @@ static int trunc_start(struct inode *inode, u64 newsize)
u64 oldsize = inode->i_size;
int error;
+ if (!gfs2_is_stuffed(ip)) {
+ unsigned int blocksize = i_blocksize(inode);
+ unsigned int offs = newsize & (blocksize - 1);
+ if (offs) {
+ error = gfs2_block_zero_range(inode, newsize,
+ blocksize - offs);
+ if (error)
+ return error;
+ }
+ }
if (journaled)
error = gfs2_trans_begin(sdp, RES_DINODE + RES_JDATA, GFS2_JTRUNC_REVOKES);
else
@@ -1426,19 +1442,10 @@ static int trunc_start(struct inode *inode, u64 newsize)
gfs2_trans_add_meta(ip->i_gl, dibh);
- if (gfs2_is_stuffed(ip)) {
+ if (gfs2_is_stuffed(ip))
gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode) + newsize);
- } else {
- unsigned int blocksize = i_blocksize(inode);
- unsigned int offs = newsize & (blocksize - 1);
- if (offs) {
- error = gfs2_block_zero_range(inode, newsize,
- blocksize - offs);
- if (error)
- goto out;
- }
+ else
ip->i_diskflags |= GFS2_DIF_TRUNC_IN_PROG;
- }
i_size_write(inode, newsize);
ip->i_inode.i_mtime = ip->i_inode.i_ctime = current_time(&ip->i_inode);
@@ -2442,24 +2449,13 @@ int __gfs2_punch_hole(struct file *file, loff_t offset, loff_t length)
struct inode *inode = file_inode(file);
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
+ unsigned int blocksize = i_blocksize(inode);
+ loff_t start, end;
int error;
- if (gfs2_is_jdata(ip))
- error = gfs2_trans_begin(sdp, RES_DINODE + 2 * RES_JDATA,
- GFS2_JTRUNC_REVOKES);
- else
- error = gfs2_trans_begin(sdp, RES_DINODE, 0);
- if (error)
- return error;
+ if (!gfs2_is_stuffed(ip)) {
+ unsigned int start_off, end_len;
- if (gfs2_is_stuffed(ip)) {
- error = stuffed_zero_range(inode, offset, length);
- if (error)
- goto out;
- } else {
- unsigned int start_off, end_len, blocksize;
-
- blocksize = i_blocksize(inode);
start_off = offset & (blocksize - 1);
end_len = (offset + length) & (blocksize - 1);
if (start_off) {
@@ -2480,6 +2476,26 @@ int __gfs2_punch_hole(struct file *file, loff_t offset, loff_t length)
}
}
+ start = round_down(offset, blocksize);
+ end = round_up(offset + length, blocksize) - 1;
+ error = filemap_write_and_wait_range(inode->i_mapping, start, end);
+ if (error)
+ return error;
+
+ if (gfs2_is_jdata(ip))
+ error = gfs2_trans_begin(sdp, RES_DINODE + 2 * RES_JDATA,
+ GFS2_JTRUNC_REVOKES);
+ else
+ error = gfs2_trans_begin(sdp, RES_DINODE, 0);
+ if (error)
+ return error;
+
+ if (gfs2_is_stuffed(ip)) {
+ error = stuffed_zero_range(inode, offset, length);
+ if (error)
+ goto out;
+ }
+
if (gfs2_is_jdata(ip)) {
BUG_ON(!current->journal_info);
gfs2_journaled_truncate_range(inode, offset, length);
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 83cf64da474c..d5b9274662db 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -87,6 +87,8 @@ static void gfs2_ail_empty_gl(struct gfs2_glock *gl)
memset(&tr, 0, sizeof(tr));
INIT_LIST_HEAD(&tr.tr_buf);
INIT_LIST_HEAD(&tr.tr_databuf);
+ INIT_LIST_HEAD(&tr.tr_ail1_list);
+ INIT_LIST_HEAD(&tr.tr_ail2_list);
tr.tr_revokes = atomic_read(&gl->gl_ail_count);
if (!tr.tr_revokes) {
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 8466166f22e3..988bb7b17ed8 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -712,7 +712,7 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
error = gfs2_trans_begin(sdp, blocks, 0);
if (error)
- goto fail_gunlock2;
+ goto fail_free_inode;
if (blocks > 1) {
ip->i_eattr = ip->i_no_addr + 1;
@@ -723,7 +723,7 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
error = gfs2_glock_get(sdp, ip->i_no_addr, &gfs2_iopen_glops, CREATE, &io_gl);
if (error)
- goto fail_gunlock2;
+ goto fail_free_inode;
BUG_ON(test_and_set_bit(GLF_INODE_CREATING, &io_gl->gl_flags));
@@ -732,7 +732,6 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
goto fail_gunlock2;
glock_set_object(ip->i_iopen_gh.gh_gl, ip);
- gfs2_glock_put(io_gl);
gfs2_set_iop(inode);
insert_inode_hash(inode);
@@ -765,6 +764,8 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
mark_inode_dirty(inode);
d_instantiate(dentry, inode);
+ /* After instantiate, errors should result in evict which will destroy
+ * both inode and iopen glocks properly. */
if (file) {
file->f_mode |= FMODE_CREATED;
error = finish_open(file, dentry, gfs2_open_common);
@@ -772,15 +773,15 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
gfs2_glock_dq_uninit(ghs);
gfs2_glock_dq_uninit(ghs + 1);
clear_bit(GLF_INODE_CREATING, &io_gl->gl_flags);
+ gfs2_glock_put(io_gl);
return error;
fail_gunlock3:
glock_clear_object(io_gl, ip);
gfs2_glock_dq_uninit(&ip->i_iopen_gh);
- gfs2_glock_put(io_gl);
fail_gunlock2:
- if (io_gl)
- clear_bit(GLF_INODE_CREATING, &io_gl->gl_flags);
+ clear_bit(GLF_INODE_CREATING, &io_gl->gl_flags);
+ gfs2_glock_put(io_gl);
fail_free_inode:
if (ip->i_gl) {
glock_clear_object(ip->i_gl, ip);
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 110e5c4db819..00a90fc72597 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -810,8 +810,6 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl, u32 flags)
tr = sdp->sd_log_tr;
if (tr) {
sdp->sd_log_tr = NULL;
- INIT_LIST_HEAD(&tr->tr_ail1_list);
- INIT_LIST_HEAD(&tr->tr_ail2_list);
tr->tr_first = sdp->sd_log_flush_head;
if (unlikely (state == SFS_FROZEN))
gfs2_assert_withdraw(sdp, !tr->tr_num_buf_new && !tr->tr_num_databuf_new);
@@ -881,8 +879,10 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl, u32 flags)
* @new: New transaction to be merged
*/
-static void gfs2_merge_trans(struct gfs2_trans *old, struct gfs2_trans *new)
+static void gfs2_merge_trans(struct gfs2_sbd *sdp, struct gfs2_trans *new)
{
+ struct gfs2_trans *old = sdp->sd_log_tr;
+
WARN_ON_ONCE(!test_bit(TR_ATTACHED, &old->tr_flags));
old->tr_num_buf_new += new->tr_num_buf_new;
@@ -893,6 +893,11 @@ static void gfs2_merge_trans(struct gfs2_trans *old, struct gfs2_trans *new)
list_splice_tail_init(&new->tr_databuf, &old->tr_databuf);
list_splice_tail_init(&new->tr_buf, &old->tr_buf);
+
+ spin_lock(&sdp->sd_ail_lock);
+ list_splice_tail_init(&new->tr_ail1_list, &old->tr_ail1_list);
+ list_splice_tail_init(&new->tr_ail2_list, &old->tr_ail2_list);
+ spin_unlock(&sdp->sd_ail_lock);
}
static void log_refund(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
@@ -904,7 +909,7 @@ static void log_refund(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
gfs2_log_lock(sdp);
if (sdp->sd_log_tr) {
- gfs2_merge_trans(sdp->sd_log_tr, tr);
+ gfs2_merge_trans(sdp, tr);
} else if (tr->tr_num_buf_new || tr->tr_num_databuf_new) {
gfs2_assert_withdraw(sdp, test_bit(TR_ALLOCED, &tr->tr_flags));
sdp->sd_log_tr = tr;
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 18daf494abab..e0c55765b06d 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -911,7 +911,7 @@ fail:
}
static const match_table_t nolock_tokens = {
- { Opt_jid, "jid=%d\n", },
+ { Opt_jid, "jid=%d", },
{ Opt_err, NULL },
};
@@ -1168,7 +1168,17 @@ static int gfs2_fill_super(struct super_block *sb, struct fs_context *fc)
goto fail_per_node;
}
- if (!sb_rdonly(sb)) {
+ if (sb_rdonly(sb)) {
+ struct gfs2_holder freeze_gh;
+
+ error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED,
+ GL_EXACT, &freeze_gh);
+ if (error) {
+ fs_err(sdp, "can't make FS RO: %d\n", error);
+ goto fail_per_node;
+ }
+ gfs2_glock_dq_uninit(&freeze_gh);
+ } else {
error = gfs2_make_fs_rw(sdp);
if (error) {
fs_err(sdp, "can't make FS RW: %d\n", error);
diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c
index 9d4227330de4..2a12d30ae0de 100644
--- a/fs/gfs2/trans.c
+++ b/fs/gfs2/trans.c
@@ -53,6 +53,8 @@ int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
sizeof(u64));
INIT_LIST_HEAD(&tr->tr_databuf);
INIT_LIST_HEAD(&tr->tr_buf);
+ INIT_LIST_HEAD(&tr->tr_ail1_list);
+ INIT_LIST_HEAD(&tr->tr_ail2_list);
sb_start_intwrite(sdp->sd_vfs);
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-01 22:22:49 +0000