2010-11-15 19:32:04

by Alexey Zaytsev

[permalink] [raw]
Subject: [PATCH] nfs: Don't generate duplicated events

The events are already generated by vfs_readv and vfs_writev.
splice does not seem to generate the events, but that's an
other bug.

The patch also removes a couple of unneeded fsnotify.h
inclusions from fs/cachefiles/.

Signed-off-by: Alexey Zaytsev <[email protected]>
---
fs/cachefiles/namei.c | 1 -
fs/cachefiles/xattr.c | 1 -
fs/nfsd/vfs.c | 3 ---
3 files changed, 0 insertions(+), 5 deletions(-)

diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c
index 42c7faf..e33b9a0 100644
--- a/fs/cachefiles/namei.c
+++ b/fs/cachefiles/namei.c
@@ -13,7 +13,6 @@
#include <linux/sched.h>
#include <linux/file.h>
#include <linux/fs.h>
-#include <linux/fsnotify.h>
#include <linux/quotaops.h>
#include <linux/xattr.h>
#include <linux/mount.h>
diff --git a/fs/cachefiles/xattr.c b/fs/cachefiles/xattr.c
index e18b183..6e05068 100644
--- a/fs/cachefiles/xattr.c
+++ b/fs/cachefiles/xattr.c
@@ -13,7 +13,6 @@
#include <linux/sched.h>
#include <linux/file.h>
#include <linux/fs.h>
-#include <linux/fsnotify.h>
#include <linux/quotaops.h>
#include <linux/xattr.h>
#include <linux/slab.h>
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 184938f..5f30270 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -20,7 +20,6 @@
#include <linux/fcntl.h>
#include <linux/namei.h>
#include <linux/delay.h>
-#include <linux/fsnotify.h>
#include <linux/posix_acl_xattr.h>
#include <linux/xattr.h>
#include <linux/jhash.h>
@@ -924,7 +923,6 @@ nfsd_vfs_read(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
nfsdstats.io_read += host_err;
*count = host_err;
err = 0;
- fsnotify_access(file);
} else
err = nfserrno(host_err);
out:
@@ -1035,7 +1033,6 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
goto out_nfserr;
*cnt = host_err;
nfsdstats.io_write += host_err;
- fsnotify_modify(file);

/* clear setuid/setgid flag after write */
if (inode->i_mode & (S_ISUID | S_ISGID))


2010-11-23 19:55:37

by Eric Paris

[permalink] [raw]
Subject: Re: [PATCH] nfs: Don't generate duplicated events

On Mon, 2010-11-15 at 19:33 +0000, Alexey Zaytsev wrote:
> The events are already generated by vfs_readv and vfs_writev.
> splice does not seem to generate the events, but that's an
> other bug.
>
> The patch also removes a couple of unneeded fsnotify.h
> inclusions from fs/cachefiles/.
>
> Signed-off-by: Alexey Zaytsev <[email protected]>

applied. thanks.

> ---
> fs/cachefiles/namei.c | 1 -
> fs/cachefiles/xattr.c | 1 -
> fs/nfsd/vfs.c | 3 ---
> 3 files changed, 0 insertions(+), 5 deletions(-)
>
> diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c
> index 42c7faf..e33b9a0 100644
> --- a/fs/cachefiles/namei.c
> +++ b/fs/cachefiles/namei.c
> @@ -13,7 +13,6 @@
> #include <linux/sched.h>
> #include <linux/file.h>
> #include <linux/fs.h>
> -#include <linux/fsnotify.h>
> #include <linux/quotaops.h>
> #include <linux/xattr.h>
> #include <linux/mount.h>
> diff --git a/fs/cachefiles/xattr.c b/fs/cachefiles/xattr.c
> index e18b183..6e05068 100644
> --- a/fs/cachefiles/xattr.c
> +++ b/fs/cachefiles/xattr.c
> @@ -13,7 +13,6 @@
> #include <linux/sched.h>
> #include <linux/file.h>
> #include <linux/fs.h>
> -#include <linux/fsnotify.h>
> #include <linux/quotaops.h>
> #include <linux/xattr.h>
> #include <linux/slab.h>
> diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
> index 184938f..5f30270 100644
> --- a/fs/nfsd/vfs.c
> +++ b/fs/nfsd/vfs.c
> @@ -20,7 +20,6 @@
> #include <linux/fcntl.h>
> #include <linux/namei.h>
> #include <linux/delay.h>
> -#include <linux/fsnotify.h>
> #include <linux/posix_acl_xattr.h>
> #include <linux/xattr.h>
> #include <linux/jhash.h>
> @@ -924,7 +923,6 @@ nfsd_vfs_read(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
> nfsdstats.io_read += host_err;
> *count = host_err;
> err = 0;
> - fsnotify_access(file);
> } else
> err = nfserrno(host_err);
> out:
> @@ -1035,7 +1033,6 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
> goto out_nfserr;
> *cnt = host_err;
> nfsdstats.io_write += host_err;
> - fsnotify_modify(file);
>
> /* clear setuid/setgid flag after write */
> if (inode->i_mode & (S_ISUID | S_ISGID))
>