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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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8
fs/minix/inode.c
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@@ -17,8 +17,10 @@
#include <linux/init.h>
#include <linux/highuid.h>
#include <linux/vfs.h>
#include <linux/writeback.h>
static int minix_write_inode(struct inode * inode, int wait);
static int minix_write_inode(struct inode *inode,
struct writeback_control *wbc);
static int minix_statfs(struct dentry *dentry, struct kstatfs *buf);
static int minix_remount (struct super_block * sb, int * flags, char * data);
@@ -552,7 +554,7 @@ static struct buffer_head * V2_minix_update_inode(struct inode * inode)
return bh;
}
static int minix_write_inode(struct inode *inode, int wait)
static int minix_write_inode(struct inode *inode, struct writeback_control *wbc)
{
int err = 0;
struct buffer_head *bh;
@@ -563,7 +565,7 @@ static int minix_write_inode(struct inode *inode, int wait)
bh = V2_minix_update_inode(inode);
if (!bh)
return -EIO;
if (wait && buffer_dirty(bh)) {
if (wbc->sync_mode == WB_SYNC_ALL && buffer_dirty(bh)) {
sync_dirty_buffer(bh);
if (buffer_req(bh) && !buffer_uptodate(bh)) {
printk("IO error syncing minix inode [%s:%08lx]\n",