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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 <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Christoph Hellwig 2010-03-05 09:21:37 +01:00 • committed by Al Viro
commit a9185b41a4
45 changed files with 115 additions and 72 deletions
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5
fs/jfs/inode.c
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@ -22,6 +22,7 @@
#include <linux/buffer_head.h>
#include <linux/pagemap.h>
#include <linux/quotaops.h>
#include <linux/writeback.h>
#include "jfs_incore.h"
#include "jfs_inode.h"
#include "jfs_filsys.h"
@ -120,8 +121,10 @@ int jfs_commit_inode(struct inode *inode, int wait)
return rc;
}
int jfs_write_inode(struct inode *inode, int wait)
int jfs_write_inode(struct inode *inode, struct writeback_control *wbc)
{
int wait = wbc->sync_mode == WB_SYNC_ALL;
if (test_cflag(COMMIT_Nolink, inode))
return 0;
/*

2
fs/jfs/jfs_inode.h
View file

@ -26,7 +26,7 @@ extern long jfs_ioctl(struct file *, unsigned int, unsigned long);
extern long jfs_compat_ioctl(struct file *, unsigned int, unsigned long);
extern struct inode *jfs_iget(struct super_block *, unsigned long);
extern int jfs_commit_inode(struct inode *, int);
extern int jfs_write_inode(struct inode*, int);
extern int jfs_write_inode(struct inode *, struct writeback_control *);
extern void jfs_delete_inode(struct inode *);
extern void jfs_dirty_inode(struct inode *);
extern void jfs_truncate(struct inode *);