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Message-Id: <1562977611-8412-1-git-send-email-joseph.qi@linux.alibaba.com>
Date: Sat, 13 Jul 2019 08:26:50 +0800
From: Joseph Qi <joseph.qi@...ux.alibaba.com>
To: akpm@...ux-foundation.org
Cc: Theodore Ts'o <tytso@....edu>, mark@...heh.com, jlbec@...lplan.org,
Ross Zwisler <zwisler@...gle.com>,
Changwei Ge <chge@...ux.alibaba.com>,
linux-ext4@...r.kernel.org, ocfs2-devel@....oracle.com
Subject: [PATCH 1/2] ocfs2: use jbd2_inode dirty range scoping
commit 6ba0e7dc64a5 ("jbd2: introduce jbd2_inode dirty range scoping")
allow us scoping each of the inode dirty ranges associated with a given
transaction, and ext4 already does this way.
Now let's also use the newly introduced jbd2_inode dirty range scoping
to prevent us from waiting forever when trying to complete a journal
transaction in ocfs2.
Signed-off-by: Joseph Qi <joseph.qi@...ux.alibaba.com>
Reviewed-by: Ross Zwisler <zwisler@...gle.com>
---
v1 -> v2:
rename ocfs2_jbd2_file_inode() to ocfs2_jbd2_inode_add_write() to keep
consistent with ext4.
wrap several long lines.
fs/ocfs2/alloc.c | 5 ++++-
fs/ocfs2/aops.c | 13 ++++++++++---
fs/ocfs2/file.c | 10 +++++++---
fs/ocfs2/journal.h | 11 +++++++----
4 files changed, 28 insertions(+), 11 deletions(-)
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index d1348fc..54f72ad 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -6792,6 +6792,8 @@ void ocfs2_map_and_dirty_page(struct inode *inode, handle_t *handle,
struct page *page, int zero, u64 *phys)
{
int ret, partial = 0;
+ loff_t start_byte = ((loff_t)page->index << PAGE_SHIFT) + from;
+ loff_t length = to - from;
ret = ocfs2_map_page_blocks(page, phys, inode, from, to, 0);
if (ret)
@@ -6811,7 +6813,8 @@ void ocfs2_map_and_dirty_page(struct inode *inode, handle_t *handle,
if (ret < 0)
mlog_errno(ret);
else if (ocfs2_should_order_data(inode)) {
- ret = ocfs2_jbd2_file_inode(handle, inode);
+ ret = ocfs2_jbd2_inode_add_write(handle, inode,
+ start_byte, length);
if (ret < 0)
mlog_errno(ret);
}
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index a4c905d..8de1c9d 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -942,7 +942,8 @@ static void ocfs2_write_failure(struct inode *inode,
if (tmppage && page_has_buffers(tmppage)) {
if (ocfs2_should_order_data(inode))
- ocfs2_jbd2_file_inode(wc->w_handle, inode);
+ ocfs2_jbd2_inode_add_write(wc->w_handle, inode,
+ user_pos, user_len);
block_commit_write(tmppage, from, to);
}
@@ -2023,8 +2024,14 @@ int ocfs2_write_end_nolock(struct address_space *mapping,
}
if (page_has_buffers(tmppage)) {
- if (handle && ocfs2_should_order_data(inode))
- ocfs2_jbd2_file_inode(handle, inode);
+ if (handle && ocfs2_should_order_data(inode)) {
+ loff_t start_byte =
+ ((loff_t)tmppage->index << PAGE_SHIFT) +
+ from;
+ loff_t length = to - from;
+ ocfs2_jbd2_inode_add_write(handle, inode,
+ start_byte, length);
+ }
block_commit_write(tmppage, from, to);
}
}
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 4435df3..efe9988 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -706,7 +706,9 @@ static int ocfs2_extend_allocation(struct inode *inode, u32 logical_start,
* Thus, we need to explicitly order the zeroed pages.
*/
static handle_t *ocfs2_zero_start_ordered_transaction(struct inode *inode,
- struct buffer_head *di_bh)
+ struct buffer_head *di_bh,
+ loff_t start_byte,
+ loff_t length)
{
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
handle_t *handle = NULL;
@@ -722,7 +724,7 @@ static handle_t *ocfs2_zero_start_ordered_transaction(struct inode *inode,
goto out;
}
- ret = ocfs2_jbd2_file_inode(handle, inode);
+ ret = ocfs2_jbd2_inode_add_write(handle, inode, start_byte, length);
if (ret < 0) {
mlog_errno(ret);
goto out;
@@ -761,7 +763,9 @@ static int ocfs2_write_zero_page(struct inode *inode, u64 abs_from,
BUG_ON(abs_to > (((u64)index + 1) << PAGE_SHIFT));
BUG_ON(abs_from & (inode->i_blkbits - 1));
- handle = ocfs2_zero_start_ordered_transaction(inode, di_bh);
+ handle = ocfs2_zero_start_ordered_transaction(inode, di_bh,
+ abs_from,
+ abs_to - abs_from);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
goto out;
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index c0fe6ed..f37473c 100644
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -232,8 +232,8 @@ static inline void ocfs2_checkpoint_inode(struct inode *inode)
* ocfs2_journal_access_*() unless you intend to
* manage the checksum by hand.
* ocfs2_journal_dirty - Mark a journalled buffer as having dirty data.
- * ocfs2_jbd2_file_inode - Mark an inode so that its data goes out before
- * the current handle commits.
+ * ocfs2_jbd2_inode_add_write - Mark an inode with range so that its data goes
+ * out before the current handle commits.
*/
/* You must always start_trans with a number of buffs > 0, but it's
@@ -603,9 +603,12 @@ static inline int ocfs2_calc_tree_trunc_credits(struct super_block *sb,
return credits;
}
-static inline int ocfs2_jbd2_file_inode(handle_t *handle, struct inode *inode)
+static inline int ocfs2_jbd2_inode_add_write(handle_t *handle, struct inode *inode,
+ loff_t start_byte, loff_t length)
{
- return jbd2_journal_inode_add_write(handle, &OCFS2_I(inode)->ip_jinode);
+ return jbd2_journal_inode_ranged_write(handle,
+ &OCFS2_I(inode)->ip_jinode,
+ start_byte, length);
}
static inline int ocfs2_begin_ordered_truncate(struct inode *inode,
--
1.8.3.1
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