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ext2: Track metadata bhs in fs-private inode part

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Track metadata bhs for an inode in fs-private part of the inode.

Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://patch.msgid.link/20260326095354.16340-76-jack@suse.cz
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Jan Kara
2026-03-26 10:54:28 +01:00
committed by Christian Brauner
parent a8c8122a3d
commit b0439bbc29
4 changed files with 15 additions and 9 deletions
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1
fs/ext2/ext2.h
View File

@@ -676,6 +676,7 @@ struct ext2_inode_info {
#ifdef CONFIG_QUOTA
struct dquot __rcu *i_dquot[MAXQUOTAS];
#endif
struct mapping_metadata_bhs i_metadata_bhs;
};
/*

6
fs/ext2/file.c
View File

@@ -156,9 +156,11 @@ static int ext2_release_file (struct inode * inode, struct file * filp)
int ext2_fsync(struct file *file, loff_t start, loff_t end, int datasync)
{
int ret;
struct super_block *sb = file->f_mapping->host->i_sb;
struct inode *inode = file->f_mapping->host;
struct super_block *sb = inode->i_sb;
ret = generic_buffers_fsync(file, start, end, datasync);
ret = mmb_fsync(file, &EXT2_I(inode)->i_metadata_bhs,
start, end, datasync);
if (ret == -EIO)
/* We don't really know where the IO error happened... */
ext2_error(sb, __func__,

16
fs/ext2/inode.c
View File

@@ -95,9 +95,9 @@ void ext2_evict_inode(struct inode * inode)
ext2_truncate_blocks(inode, 0);
ext2_xattr_delete_inode(inode);
} else {
sync_mapping_buffers(&inode->i_data);
mmb_sync(&EXT2_I(inode)->i_metadata_bhs);
}
invalidate_inode_buffers(inode);
mmb_invalidate(&EXT2_I(inode)->i_metadata_bhs);
clear_inode(inode);
ext2_discard_reservation(inode);
@@ -527,7 +527,7 @@ static int ext2_alloc_branch(struct inode *inode,
}
set_buffer_uptodate(bh);
unlock_buffer(bh);
mark_buffer_dirty_inode(bh, inode);
mmb_mark_buffer_dirty(bh, &EXT2_I(inode)->i_metadata_bhs);
/* We used to sync bh here if IS_SYNC(inode).
* But we now rely upon generic_write_sync()
* and b_inode_buffers. But not for directories.
@@ -598,7 +598,7 @@ static void ext2_splice_branch(struct inode *inode,
/* had we spliced it onto indirect block? */
if (where->bh)
mark_buffer_dirty_inode(where->bh, inode);
mmb_mark_buffer_dirty(where->bh, &EXT2_I(inode)->i_metadata_bhs);
inode_set_ctime_current(inode);
mark_inode_dirty(inode);
@@ -1211,7 +1211,8 @@ static void __ext2_truncate_blocks(struct inode *inode, loff_t offset)
if (partial == chain)
mark_inode_dirty(inode);
else
mark_buffer_dirty_inode(partial->bh, inode);
mmb_mark_buffer_dirty(partial->bh,
&EXT2_I(inode)->i_metadata_bhs);
ext2_free_branches(inode, &nr, &nr+1, (chain+n-1) - partial);
}
/* Clear the ends of indirect blocks on the shared branch */
@@ -1220,7 +1221,8 @@ static void __ext2_truncate_blocks(struct inode *inode, loff_t offset)
partial->p + 1,
(__le32*)partial->bh->b_data+addr_per_block,
(chain+n-1) - partial);
mark_buffer_dirty_inode(partial->bh, inode);
mmb_mark_buffer_dirty(partial->bh,
&EXT2_I(inode)->i_metadata_bhs);
brelse (partial->bh);
partial--;
}
@@ -1303,7 +1305,7 @@ static int ext2_setsize(struct inode *inode, loff_t newsize)
inode_set_mtime_to_ts(inode, inode_set_ctime_current(inode));
if (inode_needs_sync(inode)) {
sync_mapping_buffers(inode->i_mapping);
mmb_sync(&EXT2_I(inode)->i_metadata_bhs);
sync_inode_metadata(inode, 1);
} else {
mark_inode_dirty(inode);

1
fs/ext2/super.c
View File

@@ -215,6 +215,7 @@ static struct inode *ext2_alloc_inode(struct super_block *sb)
#ifdef CONFIG_QUOTA
memset(&ei->i_dquot, 0, sizeof(ei->i_dquot));
#endif
mmb_init(&ei->i_metadata_bhs, &ei->vfs_inode.i_data);
return &ei->vfs_inode;
}