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authorDavid Howells <dhowells@redhat.com>2012-12-20 21:52:36 +0000
committerDavid Howells <dhowells@redhat.com>2012-12-20 22:05:41 +0000
commita02de9608595c8ef649ef03ae735b0b45e3d4396 (patch)
treeca411825ecc8a30b70d869244a7e9412d0728486 /include
parentef778e7ae67cd426c30cad43378b908f5eb0bad5 (diff)
downloadvexpress-lsk-a02de9608595c8ef649ef03ae735b0b45e3d4396.tar.gz
VFS: Make more complete truncate operation available to CacheFiles
Make a more complete truncate operation available to CacheFiles (including security checks and suchlike) so that it can use this to clear invalidated cache files. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include')
-rw-r--r--include/linux/fs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index a823d4be38e..017a15b707e 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1999,6 +1999,7 @@ struct filename {
bool separate; /* should "name" be freed? */
};
+extern long vfs_truncate(struct path *, loff_t);
extern int do_truncate(struct dentry *, loff_t start, unsigned int time_attrs,
struct file *filp);
extern int do_fallocate(struct file *file, int mode, loff_t offset,