FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2025-01-08 10:30:50 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

ceph: queue vmtruncate if necessary when handing cap grant/revoke

Browse Source 
cap grant/revoke message from non-auth MDS can update inode's size
and truncate_seq/truncate_size. (the message arrives before auth
MDS's cap trunc message)

Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
This commit is contained in:
Yan, Zheng 2014-04-11 10:18:07 +08:00
parent 979d4c1895
commit c6bcda6f52
1 changed files with 16 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
fs/ceph/caps.c
View File

@ -2418,11 +2418,12 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant,
u64 max_size = le64_to_cpu(grant->max_size); u64 max_size = le64_to_cpu(grant->max_size);
struct timespec mtime, atime, ctime; struct timespec mtime, atime, ctime;
int check_caps = 0; int check_caps = 0;
int wake = 0; bool wake = 0;
int writeback = 0; bool writeback = 0;
int queue_invalidate = 0; bool queue_trunc = 0;
int deleted_inode = 0; bool queue_invalidate = 0;
int queue_revalidate = 0; bool queue_revalidate = 0;
bool deleted_inode = 0;
dout("handle_cap_grant inode %p cap %p mds%d seq %d %s\n", dout("handle_cap_grant inode %p cap %p mds%d seq %d %s\n",
inode, cap, mds, seq, ceph_cap_string(newcaps)); inode, cap, mds, seq, ceph_cap_string(newcaps));
@ -2512,9 +2513,10 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant,
queue_revalidate = 1; queue_revalidate = 1;
/* size/ctime/mtime/atime? */ /* size/ctime/mtime/atime? */
ceph_fill_file_size(inode, issued, queue_trunc = ceph_fill_file_size(inode, issued,
le32_to_cpu(grant->truncate_seq), le32_to_cpu(grant->truncate_seq),
le64_to_cpu(grant->truncate_size), size); le64_to_cpu(grant->truncate_size),
size);
ceph_decode_timespec(&mtime, &grant->mtime); ceph_decode_timespec(&mtime, &grant->mtime);
ceph_decode_timespec(&atime, &grant->atime); ceph_decode_timespec(&atime, &grant->atime);
ceph_decode_timespec(&ctime, &grant->ctime); ceph_decode_timespec(&ctime, &grant->ctime);
@ -2595,6 +2597,12 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant,
spin_unlock(&ci->i_ceph_lock); spin_unlock(&ci->i_ceph_lock);
if (queue_trunc) {
ceph_queue_vmtruncate(inode);
ceph_queue_revalidate(inode);
} else if (queue_revalidate)
ceph_queue_revalidate(inode);
if (writeback) if (writeback)
/* /*
* queue inode for writeback: we can't actually call * queue inode for writeback: we can't actually call
@ -2606,8 +2614,6 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant,
ceph_queue_invalidate(inode); ceph_queue_invalidate(inode);
if (deleted_inode) if (deleted_inode)
invalidate_aliases(inode); invalidate_aliases(inode);
if (queue_revalidate)
ceph_queue_revalidate(inode);
if (wake) if (wake)
wake_up_all(&ci->i_cap_wq); wake_up_all(&ci->i_cap_wq);