summaryrefslogtreecommitdiff
path: root/fs/open.c
diff options
context:
space:
mode:
authorJames Morris <jmorris@namei.org>2011-03-08 02:55:06 +0300
committerJames Morris <jmorris@namei.org>2011-03-08 02:55:06 +0300
commit1cc26bada9f6807814806db2f0d78792eecdac71 (patch)
tree5509b5139db04af6c13db0a580c84116a4a54039 /fs/open.c
parenteae61f3c829439f8f9121b5cd48a14be04df451f (diff)
parent214d93b02c4fe93638ad268613c9702a81ed9192 (diff)
downloadlinux-1cc26bada9f6807814806db2f0d78792eecdac71.tar.xz
Merge branch 'master'; commit 'v2.6.38-rc7' into next
Diffstat (limited to 'fs/open.c')
-rw-r--r--fs/open.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/fs/open.c b/fs/open.c
index 0d485c50bb95..49b91ed9588d 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -223,7 +223,12 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
return -EINVAL;
/* Return error if mode is not supported */
- if (mode && !(mode & FALLOC_FL_KEEP_SIZE))
+ if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE))
+ return -EOPNOTSUPP;
+
+ /* Punch hole must have keep size set */
+ if ((mode & FALLOC_FL_PUNCH_HOLE) &&
+ !(mode & FALLOC_FL_KEEP_SIZE))
return -EOPNOTSUPP;
if (!(file->f_mode & FMODE_WRITE))
@@ -250,10 +255,10 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
if (((offset + len) > inode->i_sb->s_maxbytes) || ((offset + len) < 0))
return -EFBIG;
- if (!inode->i_op->fallocate)
+ if (!file->f_op->fallocate)
return -EOPNOTSUPP;
- return inode->i_op->fallocate(inode, mode, offset, len);
+ return file->f_op->fallocate(file, mode, offset, len);
}
SYSCALL_DEFINE(fallocate)(int fd, int mode, loff_t offset, loff_t len)
@@ -786,6 +791,8 @@ struct file *nameidata_to_filp(struct nameidata *nd)
/* Pick up the filp from the open intent */
filp = nd->intent.open.file;
+ nd->intent.open.file = NULL;
+
/* Has the filesystem initialised the file for us? */
if (filp->f_path.dentry == NULL) {
path_get(&nd->path);