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Subject[PATCH 1/6] fs/9p: Properly update inode attributes on link
Date
With caching enabled, we need to make sure we don't
update inode->i_size via stat2inode because we could
have dirty data which is not yet written to the server

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
fs/9p/vfs_inode.c | 4 +++-
fs/9p/vfs_inode_dotl.c | 10 +---------
2 files changed, 4 insertions(+), 10 deletions(-)

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index e5cd2c4..64f2e4e 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -1295,8 +1295,10 @@ v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir,
sprintf(name, "%d\n", oldfid->fid);
retval = v9fs_vfs_mkspecial(dir, dentry, P9_DMLINK, name);
__putname(name);
- if (!retval)
+ if (!retval) {
+ v9fs_refresh_inode(oldfid, old_dentry->d_inode);
v9fs_invalidate_inode_attr(dir);
+ }
clunk_fid:
p9_client_clunk(oldfid);
return retval;
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 5d66a21..2826026 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -674,19 +674,11 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir,
if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
/* Get the latest stat info from server. */
struct p9_fid *fid;
- struct p9_stat_dotl *st;
-
fid = v9fs_fid_lookup(old_dentry);
if (IS_ERR(fid))
return PTR_ERR(fid);

- st = p9_client_getattr_dotl(fid, P9_STATS_BASIC);
- if (IS_ERR(st))
- return PTR_ERR(st);
-
- v9fs_stat2inode_dotl(st, old_dentry->d_inode);
-
- kfree(st);
+ v9fs_refresh_inode_dotl(fid, old_dentry->d_inode);
}
ihold(old_dentry->d_inode);
d_instantiate(dentry, old_dentry->d_inode);
--
1.7.1


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