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authorMiklos Szeredi <miklos@szeredi.hu>2006-06-23 05:05:12 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-23 10:43:02 -0400
commit75e1fcc0b18df0a65ab113198e9dc0e98999a08c (patch)
tree3ac0d0d3120cbca4ee9734494e2c9a4e0775ac4f /fs/nfs/file.c
parentff7b86b82083f24b8637dff1528c7101c18c7f39 (diff)
[PATCH] vfs: add lock owner argument to flush operation
Pass the POSIX lock owner ID to the flush operation. This is useful for filesystems which don't want to store any locking state in inode->i_flock but want to handle locking/unlocking POSIX locks internally. FUSE is one such filesystem but I think it possible that some network filesystems would need this also. Also add a flag to indicate that a POSIX locking request was generated by close(), so filesystems using the above feature won't send an extra locking request in this case. Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/nfs/file.c')
-rw-r--r--fs/nfs/file.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index fade02c15e6e..fa05c027ea11 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -43,7 +43,7 @@ static int nfs_file_mmap(struct file *, struct vm_area_struct *);
43static ssize_t nfs_file_sendfile(struct file *, loff_t *, size_t, read_actor_t, void *); 43static ssize_t nfs_file_sendfile(struct file *, loff_t *, size_t, read_actor_t, void *);
44static ssize_t nfs_file_read(struct kiocb *, char __user *, size_t, loff_t); 44static ssize_t nfs_file_read(struct kiocb *, char __user *, size_t, loff_t);
45static ssize_t nfs_file_write(struct kiocb *, const char __user *, size_t, loff_t); 45static ssize_t nfs_file_write(struct kiocb *, const char __user *, size_t, loff_t);
46static int nfs_file_flush(struct file *); 46static int nfs_file_flush(struct file *, fl_owner_t id);
47static int nfs_fsync(struct file *, struct dentry *dentry, int datasync); 47static int nfs_fsync(struct file *, struct dentry *dentry, int datasync);
48static int nfs_check_flags(int flags); 48static int nfs_check_flags(int flags);
49static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl); 49static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl);
@@ -188,7 +188,7 @@ static loff_t nfs_file_llseek(struct file *filp, loff_t offset, int origin)
188 * 188 *
189 */ 189 */
190static int 190static int
191nfs_file_flush(struct file *file) 191nfs_file_flush(struct file *file, fl_owner_t id)
192{ 192{
193 struct nfs_open_context *ctx = (struct nfs_open_context *)file->private_data; 193 struct nfs_open_context *ctx = (struct nfs_open_context *)file->private_data;
194 struct inode *inode = file->f_dentry->d_inode; 194 struct inode *inode = file->f_dentry->d_inode;