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-rw-r--r--fs/pipe.c18
1 files changed, 0 insertions, 18 deletions
diff --git a/fs/pipe.c b/fs/pipe.c
index 43d79da5c57e..37ba29ff3158 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -906,17 +906,6 @@ void free_pipe_info(struct inode *inode)
906} 906}
907 907
908static struct vfsmount *pipe_mnt __read_mostly; 908static struct vfsmount *pipe_mnt __read_mostly;
909static int pipefs_delete_dentry(struct dentry *dentry)
910{
911 /*
912 * At creation time, we pretended this dentry was hashed
913 * (by clearing DCACHE_UNHASHED bit in d_flags)
914 * At delete time, we restore the truth : not hashed.
915 * (so that dput() can proceed correctly)
916 */
917 dentry->d_flags |= DCACHE_UNHASHED;
918 return 0;
919}
920 909
921/* 910/*
922 * pipefs_dname() is called from d_path(). 911 * pipefs_dname() is called from d_path().
@@ -928,7 +917,6 @@ static char *pipefs_dname(struct dentry *dentry, char *buffer, int buflen)
928} 917}
929 918
930static const struct dentry_operations pipefs_dentry_operations = { 919static const struct dentry_operations pipefs_dentry_operations = {
931 .d_delete = pipefs_delete_dentry,
932 .d_dname = pipefs_dname, 920 .d_dname = pipefs_dname,
933}; 921};
934 922
@@ -989,12 +977,6 @@ struct file *create_write_pipe(int flags)
989 path.mnt = mntget(pipe_mnt); 977 path.mnt = mntget(pipe_mnt);
990 978
991 path.dentry->d_op = &pipefs_dentry_operations; 979 path.dentry->d_op = &pipefs_dentry_operations;
992 /*
993 * We dont want to publish this dentry into global dentry hash table.
994 * We pretend dentry is already hashed, by unsetting DCACHE_UNHASHED
995 * This permits a working /proc/$pid/fd/XXX on pipes
996 */
997 path.dentry->d_flags &= ~DCACHE_UNHASHED;
998 d_instantiate(path.dentry, inode); 980 d_instantiate(path.dentry, inode);
999 981
1000 err = -ENFILE; 982 err = -ENFILE;