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authorSage Weil <sage@newdream.net>2011-11-03 17:23:36 +0100
committerSage Weil <sage@newdream.net>2011-11-06 05:10:10 +0100
commitc6ffe10015f4e6fba8a915318b319c43aed1836f (patch)
treedd39730aeb6d00713ca27a1bf34b116d31479151 /fs/ceph/super.h
parentceph: clear parent D_COMPLETE flag when on dentry prune (diff)
downloadlinux-c6ffe10015f4e6fba8a915318b319c43aed1836f.tar.xz
linux-c6ffe10015f4e6fba8a915318b319c43aed1836f.zip
ceph: use new D_COMPLETE dentry flag
We used to use a flag on the directory inode to track whether the dcache contents for a directory were a complete cached copy. Switch to a dentry flag CEPH_D_COMPLETE that is safely updated by ->d_prune(). Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph/super.h')
-rw-r--r--fs/ceph/super.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 98e60693c9a1..01bf189e08a9 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -264,7 +264,7 @@ struct ceph_inode_info {
struct timespec i_rctime;
u64 i_rbytes, i_rfiles, i_rsubdirs;
u64 i_files, i_subdirs;
- u64 i_max_offset; /* largest readdir offset, set with I_COMPLETE */
+ u64 i_max_offset; /* largest readdir offset, set with D_COMPLETE */
struct rb_root i_fragtree;
struct mutex i_fragtree_mutex;
@@ -429,7 +429,6 @@ static inline struct inode *ceph_find_inode(struct super_block *sb,
/*
* Ceph inode.
*/
-#define CEPH_I_COMPLETE 1 /* we have complete directory cached */
#define CEPH_I_NODELAY 4 /* do not delay cap release */
#define CEPH_I_FLUSH 8 /* do not delay flush of dirty metadata */
#define CEPH_I_NOFLUSH 16 /* do not flush dirty caps */
@@ -487,6 +486,13 @@ static inline loff_t ceph_make_fpos(unsigned frag, unsigned off)
}
/*
+ * set/clear directory D_COMPLETE flag
+ */
+void ceph_dir_set_complete(struct inode *inode);
+void ceph_dir_clear_complete(struct inode *inode);
+bool ceph_dir_test_complete(struct inode *inode);
+
+/*
* caps helpers
*/
static inline bool __ceph_is_any_real_caps(struct ceph_inode_info *ci)