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pass writeback_control to ->write_inode

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This gives the filesystem more information about the writeback that
is happening.  Trond requested this for the NFS unstable write handling,
and other filesystems might benefit from this too by beeing able to
distinguish between the different callers in more detail.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Christoph Hellwig
2010-03-05 09:21:37 +01:00
committed by Al Viro
parent 26821ed40b
commit a9185b41a4
45 changed files with 115 additions and 72 deletions
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6
fs/ext4/inode.c
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@@ -5177,7 +5177,7 @@ out_brelse:
* `stuff()' is running, and the new i_size will be lost. Plus the inode
* will no longer be on the superblock's dirty inode list.
*/
int ext4_write_inode(struct inode *inode, int wait)
int ext4_write_inode(struct inode *inode, struct writeback_control *wbc)
{
int err;
@@ -5191,7 +5191,7 @@ int ext4_write_inode(struct inode *inode, int wait)
return -EIO;
}
if (!wait)
if (wbc->sync_mode != WB_SYNC_ALL)
return 0;
err = ext4_force_commit(inode->i_sb);
@@ -5201,7 +5201,7 @@ int ext4_write_inode(struct inode *inode, int wait)
err = ext4_get_inode_loc(inode, &iloc);
if (err)
return err;
if (wait)
if (wbc->sync_mode == WB_SYNC_ALL)
sync_dirty_buffer(iloc.bh);
if (buffer_req(iloc.bh) && !buffer_uptodate(iloc.bh)) {
ext4_error(inode->i_sb, __func__,