AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

ceph: move dirty caps code around

Browse Source 
Cleanup only.

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2009-10-15 18:13:53 -07:00
parent 8f3bc053c6
commit 76e3b390d4
1 changed files with 37 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

70
fs/ceph/caps.c
View File

@ -1269,6 +1269,41 @@ static void ceph_flush_snaps(struct ceph_inode_info *ci)
spin_unlock(&inode->i_lock);
}
/*
* Mark caps dirty. If inode is newly dirty, add to the global dirty
* list.
*/
void __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask)
{
struct ceph_mds_client *mdsc = &ceph_client(ci->vfs_inode.i_sb)->mdsc;
struct inode *inode = &ci->vfs_inode;
int was = ci->i_dirty_caps;
int dirty = 0;
dout("__mark_dirty_caps %p %s dirty %s -> %s\n", &ci->vfs_inode,
ceph_cap_string(mask), ceph_cap_string(was),
ceph_cap_string(was | mask));
ci->i_dirty_caps |= mask;
if (was == 0) {
dout(" inode %p now dirty\n", &ci->vfs_inode);
BUG_ON(!list_empty(&ci->i_dirty_item));
spin_lock(&mdsc->cap_dirty_lock);
list_add(&ci->i_dirty_item, &mdsc->cap_dirty);
spin_unlock(&mdsc->cap_dirty_lock);
if (ci->i_flushing_caps == 0) {
igrab(inode);
dirty |= I_DIRTY_SYNC;
}
}
BUG_ON(list_empty(&ci->i_dirty_item));
if (((was | ci->i_flushing_caps) & CEPH_CAP_FILE_BUFFER) &&
(mask & CEPH_CAP_FILE_BUFFER))
dirty |= I_DIRTY_DATASYNC;
if (dirty)
__mark_inode_dirty(inode, dirty);
__cap_delay_requeue(mdsc, ci);
}
/*
* Add dirty inode to the flushing list. Assigned a seq number so we
* can wait for caps to flush without starving.
@ -1557,39 +1592,6 @@ void ceph_check_caps(struct ceph_inode_info *ci, int flags,
up_read(&mdsc->snap_rwsem);
}
/*
* Mark caps dirty. If inode is newly dirty, add to the global dirty
* list.
*/
void __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask)
{
struct ceph_mds_client *mdsc = &ceph_client(ci->vfs_inode.i_sb)->mdsc;
struct inode *inode = &ci->vfs_inode;
int was_dirty = ci->i_dirty_caps;
int dirty = 0;
dout("__mark_dirty_caps %p %s dirty %s -> %s\n", &ci->vfs_inode,
ceph_cap_string(mask), ceph_cap_string(ci->i_dirty_caps),
ceph_cap_string(ci->i_dirty_caps | mask));
ci->i_dirty_caps |= mask;
if (!was_dirty) {
dout(" inode %p now dirty\n", &ci->vfs_inode);
spin_lock(&mdsc->cap_dirty_lock);
list_add(&ci->i_dirty_item, &mdsc->cap_dirty);
spin_unlock(&mdsc->cap_dirty_lock);
if (ci->i_flushing_caps == 0) {
igrab(inode);
dirty |= I_DIRTY_SYNC;
}
}
if (((was_dirty | ci->i_flushing_caps) & CEPH_CAP_FILE_BUFFER) &&
(mask & CEPH_CAP_FILE_BUFFER))
dirty |= I_DIRTY_DATASYNC;
if (dirty)
__mark_inode_dirty(inode, dirty);
__cap_delay_requeue(mdsc, ci);
}
/*
* Try to flush dirty caps back to the auth mds.
*/
@ -2370,6 +2372,8 @@ static void handle_cap_flush_ack(struct inode *inode,
dout(" inode %p now clean\n", inode);
BUG_ON(!list_empty(&ci->i_dirty_item));
drop = 1;
} else {
BUG_ON(list_empty(&ci->i_dirty_item));
}
}
spin_unlock(&mdsc->cap_dirty_lock);