From 814184fd402557f3e5960db469157ccdf1fb69da Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Fri, 16 Sep 2016 12:44:21 +0200 Subject: [PATCH] vfat: 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 Cc: OGAWA Hirofumi --- fs/fat/namei_vfat.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c index 92b7363dafa9..4afdc3f36470 100644 --- a/fs/fat/namei_vfat.c +++ b/fs/fat/namei_vfat.c @@ -21,6 +21,17 @@ #include #include "fat.h" +static inline unsigned long vfat_d_version(struct dentry *dentry) +{ + return (unsigned long) dentry->d_fsdata; +} + +static inline void vfat_d_version_set(struct dentry *dentry, + unsigned long version) +{ + dentry->d_fsdata = (void *) version; +} + /* * If new entry was created in the parent, it could create the 8.3 * alias (the shortname of logname). So, the parent may have the @@ -33,7 +44,7 @@ static int vfat_revalidate_shortname(struct dentry *dentry) { int ret = 1; spin_lock(&dentry->d_lock); - if (dentry->d_time != d_inode(dentry->d_parent)->i_version) + if (vfat_d_version(dentry) != d_inode(dentry->d_parent)->i_version) ret = 0; spin_unlock(&dentry->d_lock); return ret; @@ -759,7 +770,7 @@ static struct dentry *vfat_lookup(struct inode *dir, struct dentry *dentry, out: mutex_unlock(&MSDOS_SB(sb)->s_lock); if (!inode) - dentry->d_time = dir->i_version; + vfat_d_version_set(dentry, dir->i_version); return d_splice_alias(inode, dentry); error: mutex_unlock(&MSDOS_SB(sb)->s_lock); @@ -823,7 +834,7 @@ static int vfat_rmdir(struct inode *dir, struct dentry *dentry) clear_nlink(inode); inode->i_mtime = inode->i_atime = CURRENT_TIME_SEC; fat_detach(inode); - dentry->d_time = dir->i_version; + vfat_d_version_set(dentry, dir->i_version); out: mutex_unlock(&MSDOS_SB(sb)->s_lock); @@ -849,7 +860,7 @@ static int vfat_unlink(struct inode *dir, struct dentry *dentry) clear_nlink(inode); inode->i_mtime = inode->i_atime = CURRENT_TIME_SEC; fat_detach(inode); - dentry->d_time = dir->i_version; + vfat_d_version_set(dentry, dir->i_version); out: mutex_unlock(&MSDOS_SB(sb)->s_lock); -- 2.30.2