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exfat_d_revalidate(): use stable parent inode passed by caller

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... no need to bother with ->d_lock and ->d_parent->d_inode.

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2025-01-03 01:13:16 -05:00
parent c4a9fe6319
commit 14d02c3dcf
1 changed files with 1 additions and 7 deletions
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8
fs/exfat/namei.c
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@ -34,8 +34,6 @@ static inline void exfat_d_version_set(struct dentry *dentry,
static int exfat_d_revalidate(struct inode *dir, const struct qstr *name,
struct dentry *dentry, unsigned int flags)
{
int ret;
if (flags & LOOKUP_RCU)
return -ECHILD;
@ -59,11 +57,7 @@ static int exfat_d_revalidate(struct inode *dir, const struct qstr *name,
if (flags & (LOOKUP_CREATE | LOOKUP_RENAME_TARGET))
return 0;
spin_lock(&dentry->d_lock);
ret = inode_eq_iversion(d_inode(dentry->d_parent),
exfat_d_version(dentry));
spin_unlock(&dentry->d_lock);
return ret;
return inode_eq_iversion(dir, exfat_d_version(dentry));
}
/* returns the length of a struct qstr, ignoring trailing dots if necessary */