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Commit db73e9aa authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Linus Torvalds
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[PATCH] remove superflous ctime/mtime updates in affs 



Both AFFS and HPFS update the ctime and mtime in the write path, after
generic_file_write returned and marked the inode dirty.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Acked-by: default avatarRoman Zippel <zippel@linux-m68k.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent a463ddd3

fs/affs/file.c

+1 −17
Original line number Diff line number Diff line
@@ -22,14 +22,13 @@ static int affs_grow_extcache(struct inode *inode, u32 lc_idx); 
static struct buffer_head *affs_alloc_extblock(struct inode *inode, struct buffer_head *bh, u32 ext);

static inline struct buffer_head *affs_get_extblock(struct inode *inode, u32 ext);

static struct buffer_head *affs_get_extblock_slow(struct inode *inode, u32 ext);

static ssize_t affs_file_write(struct file *filp, const char __user *buf, size_t count, loff_t *ppos);

static int affs_file_open(struct inode *inode, struct file *filp);

static int affs_file_release(struct inode *inode, struct file *filp);



struct file_operations affs_file_operations = {

	.llseek		= generic_file_llseek,

	.read		= generic_file_read,

	.write		= affs_file_write,

	.write		= generic_file_write,

	.mmap		= generic_file_mmap,

	.open		= affs_file_open,

	.release	= affs_file_release,
@@ -473,21 +472,6 @@ affs_getemptyblk_ino(struct inode *inode, int block) 
	return ERR_PTR(err);

}



static ssize_t

affs_file_write(struct file *file, const char __user *buf,

		size_t count, loff_t *ppos)

{

	ssize_t retval;



	retval = generic_file_write (file, buf, count, ppos);

	if (retval >0) {

		struct inode *inode = file->f_dentry->d_inode;

		inode->i_ctime = inode->i_mtime = CURRENT_TIME_SEC;

		mark_inode_dirty(inode);

	}

	return retval;

}



static int

affs_do_readpage_ofs(struct file *file, struct page *page, unsigned from, unsigned to)

{