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ceph: do not call __mark_dirty_inode under i_lock

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The __mark_dirty_inode helper now takes i_lock as of 250df6ed.  Fix the
one ceph callers that held i_lock (__ceph_mark_dirty_caps) to return the
flags value so that the callers can do it outside of i_lock.

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2011-05-04 11:33:47 -07:00
parent 4ad12621e4
commit fca65b4ad7
5 changed files with 23 additions and 12 deletions
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10
fs/ceph/caps.c
View File

@ -1331,10 +1331,11 @@ static void ceph_flush_snaps(struct ceph_inode_info *ci)
}
/*
* Mark caps dirty. If inode is newly dirty, add to the global dirty
* list.
* Mark caps dirty. If inode is newly dirty, return the dirty flags.
* Caller is then responsible for calling __mark_inode_dirty with the
* returned flags value.
*/
void __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask)
int __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask)
{
struct ceph_mds_client *mdsc =
ceph_sb_to_client(ci->vfs_inode.i_sb)->mdsc;
@ -1365,9 +1366,8 @@ void __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask)
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);
return dirty;
}
/*

5
fs/ceph/file.c
View File

@ -734,9 +734,12 @@ retry_snap:
}
}
if (ret >= 0) {
int dirty;
spin_lock(&inode->i_lock);
__ceph_mark_dirty_caps(ci, CEPH_CAP_FILE_WR);
dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_FILE_WR);
spin_unlock(&inode->i_lock);
if (dirty)
__mark_inode_dirty(inode, dirty);
}
out:

6
fs/ceph/inode.c
View File

@ -1567,6 +1567,7 @@ int ceph_setattr(struct dentry *dentry, struct iattr *attr)
int release = 0, dirtied = 0;
int mask = 0;
int err = 0;
int inode_dirty_flags = 0;
if (ceph_snap(inode) != CEPH_NOSNAP)
return -EROFS;
@ -1725,13 +1726,16 @@ int ceph_setattr(struct dentry *dentry, struct iattr *attr)
dout("setattr %p ATTR_FILE ... hrm!\n", inode);
if (dirtied) {
__ceph_mark_dirty_caps(ci, dirtied);
inode_dirty_flags = __ceph_mark_dirty_caps(ci, dirtied);
inode->i_ctime = CURRENT_TIME;
}
release &= issued;
spin_unlock(&inode->i_lock);
if (inode_dirty_flags)
__mark_inode_dirty(inode, inode_dirty_flags);
if (mask) {
req->r_inode = igrab(inode);
req->r_inode_drop = release;

2
fs/ceph/super.h
View File

@ -506,7 +506,7 @@ static inline int __ceph_caps_dirty(struct ceph_inode_info *ci)
{
return ci->i_dirty_caps | ci->i_flushing_caps;
}
extern void __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask);
extern int __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask);
extern int ceph_caps_revoking(struct ceph_inode_info *ci, int mask);
extern int __ceph_caps_used(struct ceph_inode_info *ci);

12
fs/ceph/xattr.c
View File

@ -703,6 +703,7 @@ int ceph_setxattr(struct dentry *dentry, const char *name,
struct ceph_inode_xattr *xattr = NULL;
int issued;
int required_blob_size;
int dirty;
if (ceph_snap(inode) != CEPH_NOSNAP)
return -EROFS;
@ -763,11 +764,12 @@ retry:
dout("setxattr %p issued %s\n", inode, ceph_cap_string(issued));
err = __set_xattr(ci, newname, name_len, newval,
val_len, 1, 1, 1, &xattr);
__ceph_mark_dirty_caps(ci, CEPH_CAP_XATTR_EXCL);
dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_XATTR_EXCL);
ci->i_xattrs.dirty = true;
inode->i_ctime = CURRENT_TIME;
spin_unlock(&inode->i_lock);
if (dirty)
__mark_inode_dirty(inode, dirty);
return err;
do_sync:
@ -810,6 +812,7 @@ int ceph_removexattr(struct dentry *dentry, const char *name)
struct ceph_vxattr_cb *vxattrs = ceph_inode_vxattrs(inode);
int issued;
int err;
int dirty;
if (ceph_snap(inode) != CEPH_NOSNAP)
return -EROFS;
@ -833,12 +836,13 @@ int ceph_removexattr(struct dentry *dentry, const char *name)
goto do_sync;
err = __remove_xattr_by_name(ceph_inode(inode), name);
__ceph_mark_dirty_caps(ci, CEPH_CAP_XATTR_EXCL);
dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_XATTR_EXCL);
ci->i_xattrs.dirty = true;
inode->i_ctime = CURRENT_TIME;
spin_unlock(&inode->i_lock);
if (dirty)
__mark_inode_dirty(inode, dirty);
return err;
do_sync:
spin_unlock(&inode->i_lock);