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authorRavishankar N <ravishankar@redhat.com>2015-06-30 23:40:22 +0530
committerMiklos Szeredi <miklos@szeredi.hu>2015-11-10 10:32:37 +0100
commit0b5da8db145bfd44266ac964a2636a0cf8d7c286 (patch)
tree23e46abfcb58f4b744aeab42a8c3a62e141b399b /fs/fuse/fuse_i.h
parent3ca8138f014a913f98e6ef40e939868e1e9ea876 (diff)
fuse: add support for SEEK_HOLE and SEEK_DATA in lseek
A useful performance improvement for accessing virtual machine images via FUSE mount. See https://bugzilla.redhat.com/show_bug.cgi?id=1220173 for a use-case for glusterFS. Signed-off-by: Ravishankar N <ravishankar@redhat.com> Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Diffstat (limited to 'fs/fuse/fuse_i.h')
-rw-r--r--fs/fuse/fuse_i.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 405113101db8..ce394b5fe6b4 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -605,6 +605,9 @@ struct fuse_conn {
/** Does the filesystem support asynchronous direct-IO submission? */
unsigned async_dio:1;
+ /** Is lseek not implemented by fs? */
+ unsigned no_lseek:1;
+
/** The number of requests waiting for completion */
atomic_t num_waiting;