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ext4: Use new framework for data=ordered mode in JBD2

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This patch makes ext4 use inode-based implementation of data=ordered mode
in JBD2. It allows us to unify some data=ordered and data=writeback paths
(especially writepage since we don't have to start a transaction anymore)
and remove some buffer walking.

Updated fix from Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
to fix file system hang due to corrupt jinode values.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Jan Kara
2008-07-11 19:27:31 -04:00
committed by Theodore Ts'o
parent c851ed5401
commit 678aaf4814
4 changed files with 59 additions and 112 deletions
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7
fs/ext4/ext4_jbd2.h
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@@ -154,8 +154,6 @@ int __ext4_journal_dirty_metadata(const char *where,
#define ext4_journal_forget(handle, bh) \
__ext4_journal_forget(__func__, (handle), (bh))
int ext4_journal_dirty_data(handle_t *handle, struct buffer_head *bh);
handle_t *ext4_journal_start_sb(struct super_block *sb, int nblocks);
int __ext4_journal_stop(const char *where, handle_t *handle);
@@ -192,6 +190,11 @@ static inline int ext4_journal_force_commit(journal_t *journal)
return jbd2_journal_force_commit(journal);
}
static inline int ext4_jbd2_file_inode(handle_t *handle, struct inode *inode)
{
return jbd2_journal_file_inode(handle, &EXT4_I(inode)->jinode);
}
/* super.c */
int ext4_force_commit(struct super_block *sb);