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Use sb->s_d_op default dentry operations

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As of Linux 2.6.37 the right way to register custom dentry
operations is to use the super block's ->s_d_op field.
For older kernels they should be registered as part of the
lookup operation.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1223
This commit is contained in:
Brian Behlendorf
2013-01-18 14:11:40 -08:00
parent babf3f9b6d
commit ee93035378
4 changed files with 29 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
module/zfs/zpl_inode.c
+6 -11
View File
@@ -48,6 +48,9 @@ zpl_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
spin_lock(&dentry->d_lock);
dentry->d_time = jiffies;
#ifndef HAVE_S_D_OP
d_set_d_op(dentry, &zpl_dentry_operations);
#endif /* HAVE_S_D_OP */
spin_unlock(&dentry->d_lock);
if (error) {
@@ -99,7 +102,6 @@ zpl_create(struct inode *dir, struct dentry *dentry, zpl_umode_t mode,
error = zpl_xattr_security_init(ip, dir, &dentry->d_name);
VERIFY3S(error, ==, 0);
d_instantiate(dentry, ip);
d_set_d_op(dentry, &zpl_dentry_operations);
}
kmem_free(vap, sizeof(vattr_t));
@@ -131,10 +133,8 @@ zpl_mknod(struct inode *dir, struct dentry *dentry, zpl_umode_t mode,
vap->va_rdev = rdev;
error = -zfs_create(dir, dname(dentry), vap, 0, mode, &ip, cr, 0, NULL);
if (error == 0) {
if (error == 0)
d_instantiate(dentry, ip);
d_set_d_op(dentry, &zpl_dentry_operations);
}
kmem_free(vap, sizeof(vattr_t));
crfree(cr);
@@ -170,10 +170,8 @@ zpl_mkdir(struct inode *dir, struct dentry *dentry, zpl_umode_t mode)
zpl_vap_init(vap, dir, mode | S_IFDIR, cr);
error = -zfs_mkdir(dir, dname(dentry), vap, &ip, cr, 0, NULL);
if (error == 0) {
if (error == 0)
d_instantiate(dentry, ip);
d_set_d_op(dentry, &zpl_dentry_operations);
}
kmem_free(vap, sizeof(vattr_t));
crfree(cr);
@@ -278,10 +276,8 @@ zpl_symlink(struct inode *dir, struct dentry *dentry, const char *name)
zpl_vap_init(vap, dir, S_IFLNK | S_IRWXUGO, cr);
error = -zfs_symlink(dir, dname(dentry), vap, (char *)name, &ip, cr, 0);
if (error == 0) {
if (error == 0)
d_instantiate(dentry, ip);
d_set_d_op(dentry, &zpl_dentry_operations);
}
kmem_free(vap, sizeof(vattr_t));
crfree(cr);
@@ -352,7 +348,6 @@ zpl_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
}
d_instantiate(dentry, ip);
d_set_d_op(dentry, &zpl_dentry_operations);
out:
crfree(cr);
ASSERT3S(error, <=, 0);