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authorMiklos Szeredi <mszeredi@redhat.com>2016-09-16 12:44:21 +0200
committerMiklos Szeredi <mszeredi@redhat.com>2016-09-16 12:44:21 +0200
commita00be0e31f8df453ecbaaa4ba78d2ef935ab252e (patch)
tree75c1e8e88132090b5d8721ab927cd053a24b2ff3
parentbeaf226b863a0bea28f2a6985555401450e968b2 (diff)
downloadlinux-a00be0e31f8df453ecbaaa4ba78d2ef935ab252e.tar.bz2
cifs: don't use ->d_time
Use d_fsdata instead, which is the same size. Introduce helpers to hide the typecasts. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> Cc: Steve French <sfrench@samba.org>
-rw-r--r--fs/cifs/cifsfs.h10
-rw-r--r--fs/cifs/dir.c6
-rw-r--r--fs/cifs/inode.c2
3 files changed, 14 insertions, 4 deletions
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 9dcf974acc47..c9c00a862036 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -41,6 +41,16 @@ cifs_uniqueid_to_ino_t(u64 fileid)
}
+static inline void cifs_set_time(struct dentry *dentry, unsigned long time)
+{
+ dentry->d_fsdata = (void *) time;
+}
+
+static inline unsigned long cifs_get_time(struct dentry *dentry)
+{
+ return (unsigned long) dentry->d_fsdata;
+}
+
extern struct file_system_type cifs_fs_type;
extern const struct address_space_operations cifs_addr_ops;
extern const struct address_space_operations cifs_addr_ops_smallbuf;
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 4716c54dbfc6..789ff1df2d8d 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -40,7 +40,7 @@ renew_parental_timestamps(struct dentry *direntry)
/* BB check if there is a way to get the kernel to do this or if we
really need this */
do {
- direntry->d_time = jiffies;
+ cifs_set_time(direntry, jiffies);
direntry = direntry->d_parent;
} while (!IS_ROOT(direntry));
}
@@ -802,7 +802,7 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
} else if (rc == -ENOENT) {
rc = 0;
- direntry->d_time = jiffies;
+ cifs_set_time(direntry, jiffies);
d_add(direntry, NULL);
/* if it was once a directory (but how can we tell?) we could do
shrink_dcache_parent(direntry); */
@@ -862,7 +862,7 @@ cifs_d_revalidate(struct dentry *direntry, unsigned int flags)
if (flags & (LOOKUP_CREATE | LOOKUP_RENAME_TARGET))
return 0;
- if (time_after(jiffies, direntry->d_time + HZ) || !lookupCacheEnabled)
+ if (time_after(jiffies, cifs_get_time(direntry) + HZ) || !lookupCacheEnabled)
return 0;
return 1;
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index b87efd0c92d6..0b4a35514351 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1951,7 +1951,7 @@ int cifs_revalidate_dentry_attr(struct dentry *dentry)
cifs_dbg(FYI, "Update attributes: %s inode 0x%p count %d dentry: 0x%p d_time %ld jiffies %ld\n",
full_path, inode, inode->i_count.counter,
- dentry, dentry->d_time, jiffies);
+ dentry, cifs_get_time(dentry), jiffies);
if (cifs_sb_master_tcon(CIFS_SB(sb))->unix_ext)
rc = cifs_get_inode_info_unix(&inode, full_path, sb, xid);