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NFS: Simplify internal check for whether file is open for write 

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2018-09-02 15:34:37 -04:00
parent 1db97eaa0b
commit 6ba0c4e5bb
1 changed files with 1 additions and 9 deletions
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10
fs/nfs/inode.c
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@ -1328,19 +1328,11 @@ static bool nfs_file_has_writers(struct nfs_inode *nfsi)
{
struct inode *inode = &nfsi->vfs_inode;
assert_spin_locked(&inode->i_lock);
if (!S_ISREG(inode->i_mode))
return false;
if (list_empty(&nfsi->open_files))
return false;
/* Note: This relies on nfsi->open_files being ordered with writers
* being placed at the head of the list.
* See nfs_inode_attach_open_context()
*/
return (list_first_entry(&nfsi->open_files,
struct nfs_open_context,
list)->mode & FMODE_WRITE) == FMODE_WRITE;
return inode_is_open_for_write(inode);
}
static bool nfs_file_has_buffered_writers(struct nfs_inode *nfsi)