[PATCH 6/7] LSEEK: NFS: Drop unnecessary locking in llseek
From: Andi Kleen <hidden>
Date: 2011-08-22 20:49:11
Also in:
lkml
Subsystem:
filesystems (vfs and infrastructure), nfs, sunrpc, and lockd clients, the rest · Maintainers:
Alexander Viro, Christian Brauner, Trond Myklebust, Anna Schumaker, Linus Torvalds
From: Andi Kleen <redacted> This makes NFS follow the standard generic_file_llseek locking scheme. Cc: Trond.Myklebust@netapp.com Signed-off-by: Andi Kleen <redacted> --- fs/nfs/file.c | 11 ++--------- 1 files changed, 2 insertions(+), 9 deletions(-)
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 12623ab..91c01f0 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c@@ -180,8 +180,6 @@ force_reval: static loff_t nfs_file_llseek(struct file *filp, loff_t offset, int origin) { - loff_t loff; - dprintk("NFS: llseek file(%s/%s, %lld, %d)\n", filp->f_path.dentry->d_parent->d_name.name, filp->f_path.dentry->d_name.name,
@@ -197,14 +195,9 @@ static loff_t nfs_file_llseek(struct file *filp, loff_t offset, int origin) int retval = nfs_revalidate_file_size(inode, filp); if (retval < 0) return (loff_t)retval; + } - /* AK: should drop this lock. Unlikely to be needed. */ - spin_lock(&inode->i_lock); - loff = generic_file_llseek(filp, offset, origin); - spin_unlock(&inode->i_lock); - } else - loff = generic_file_llseek(filp, offset, origin); - return loff; + return generic_file_llseek(filp, offset, origin); } /*
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1.7.4.4