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-rw-r--r--fs/gfs2/Makefile2
-rw-r--r--fs/gfs2/acl.c104
-rw-r--r--fs/gfs2/eaops.c157
-rw-r--r--fs/gfs2/eaops.h30
-rw-r--r--fs/gfs2/eattr.c421
-rw-r--r--fs/gfs2/eattr.h52
-rw-r--r--fs/gfs2/file.c1
-rw-r--r--fs/gfs2/inode.c12
-rw-r--r--fs/gfs2/ops_fstype.c1
-rw-r--r--fs/gfs2/ops_inode.c78
-rw-r--r--fs/gfs2/super.h1
11 files changed, 333 insertions, 526 deletions
diff --git a/fs/gfs2/Makefile b/fs/gfs2/Makefile
index 3da2f1f4f73..2a4fd894858 100644
--- a/fs/gfs2/Makefile
+++ b/fs/gfs2/Makefile
@@ -1,6 +1,6 @@
EXTRA_CFLAGS := -I$(src)
obj-$(CONFIG_GFS2_FS) += gfs2.o
-gfs2-y := acl.o bmap.o dir.o eaops.o eattr.o glock.o \
+gfs2-y := acl.o bmap.o dir.o eattr.o glock.o \
glops.o inode.o log.o lops.o main.o meta_io.o \
aops.o dentry.o export.o file.o \
ops_fstype.o ops_inode.o quota.o \
diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c
index fa881bdc3d8..f6777f16726 100644
--- a/fs/gfs2/acl.c
+++ b/fs/gfs2/acl.c
@@ -19,7 +19,6 @@
#include "gfs2.h"
#include "incore.h"
#include "acl.h"
-#include "eaops.h"
#include "eattr.h"
#include "glock.h"
#include "inode.h"
@@ -31,8 +30,7 @@
#define ACL_DEFAULT 0
int gfs2_acl_validate_set(struct gfs2_inode *ip, int access,
- struct gfs2_ea_request *er,
- int *remove, mode_t *mode)
+ struct gfs2_ea_request *er, int *remove, mode_t *mode)
{
struct posix_acl *acl;
int error;
@@ -83,30 +81,20 @@ int gfs2_acl_validate_remove(struct gfs2_inode *ip, int access)
return 0;
}
-static int acl_get(struct gfs2_inode *ip, int access, struct posix_acl **acl,
- struct gfs2_ea_location *el, char **data, unsigned int *len)
+static int acl_get(struct gfs2_inode *ip, const char *name,
+ struct posix_acl **acl, struct gfs2_ea_location *el,
+ char **datap, unsigned int *lenp)
{
- struct gfs2_ea_request er;
- struct gfs2_ea_location el_this;
+ char *data;
+ unsigned int len;
int error;
+ el->el_bh = NULL;
+
if (!ip->i_eattr)
return 0;
- memset(&er, 0, sizeof(struct gfs2_ea_request));
- if (access) {
- er.er_name = GFS2_POSIX_ACL_ACCESS;
- er.er_name_len = GFS2_POSIX_ACL_ACCESS_LEN;
- } else {
- er.er_name = GFS2_POSIX_ACL_DEFAULT;
- er.er_name_len = GFS2_POSIX_ACL_DEFAULT_LEN;
- }
- er.er_type = GFS2_EATYPE_SYS;
-
- if (!el)
- el = &el_this;
-
- error = gfs2_ea_find(ip, &er, el);
+ error = gfs2_ea_find(ip, GFS2_EATYPE_SYS, name, el);
if (error)
return error;
if (!el->el_ea)
@@ -114,32 +102,31 @@ static int acl_get(struct gfs2_inode *ip, int access, struct posix_acl **acl,
if (!GFS2_EA_DATA_LEN(el->el_ea))
goto out;
- er.er_data_len = GFS2_EA_DATA_LEN(el->el_ea);
- er.er_data = kmalloc(er.er_data_len, GFP_NOFS);
+ len = GFS2_EA_DATA_LEN(el->el_ea);
+ data = kmalloc(len, GFP_NOFS);
error = -ENOMEM;
- if (!er.er_data)
+ if (!data)
goto out;
- error = gfs2_ea_get_copy(ip, el, er.er_data);
- if (error)
+ error = gfs2_ea_get_copy(ip, el, data, len);
+ if (error < 0)
goto out_kfree;
+ error = 0;
if (acl) {
- *acl = posix_acl_from_xattr(er.er_data, er.er_data_len);
+ *acl = posix_acl_from_xattr(data, len);
if (IS_ERR(*acl))
error = PTR_ERR(*acl);
}
out_kfree:
- if (error || !data)
- kfree(er.er_data);
- else {
- *data = er.er_data;
- *len = er.er_data_len;
+ if (error || !datap) {
+ kfree(data);
+ } else {
+ *datap = data;
+ *lenp = len;
}
out:
- if (error || el == &el_this)
- brelse(el->el_bh);
return error;
}
@@ -153,10 +140,12 @@ out:
int gfs2_check_acl(struct inode *inode, int mask)
{
+ struct gfs2_ea_location el;
struct posix_acl *acl = NULL;
int error;
- error = acl_get(GFS2_I(inode), ACL_ACCESS, &acl, NULL, NULL, NULL);
+ error = acl_get(GFS2_I(inode), GFS2_POSIX_ACL_ACCESS, &acl, &el, NULL, NULL);
+ brelse(el.el_bh);
if (error)
return error;
@@ -196,10 +185,12 @@ static int munge_mode(struct gfs2_inode *ip, mode_t mode)
int gfs2_acl_create(struct gfs2_inode *dip, struct gfs2_inode *ip)
{
+ struct gfs2_ea_location el;
struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
struct posix_acl *acl = NULL, *clone;
- struct gfs2_ea_request er;
mode_t mode = ip->i_inode.i_mode;
+ char *data = NULL;
+ unsigned int len;
int error;
if (!sdp->sd_args.ar_posix_acl)
@@ -207,11 +198,8 @@ int gfs2_acl_create(struct gfs2_inode *dip, struct gfs2_inode *ip)
if (S_ISLNK(ip->i_inode.i_mode))
return 0;
- memset(&er, 0, sizeof(struct gfs2_ea_request));
- er.er_type = GFS2_EATYPE_SYS;
-
- error = acl_get(dip, ACL_DEFAULT, &acl, NULL,
- &er.er_data, &er.er_data_len);
+ error = acl_get(dip, GFS2_POSIX_ACL_DEFAULT, &acl, &el, &data, &len);
+ brelse(el.el_bh);
if (error)
return error;
if (!acl) {
@@ -229,9 +217,8 @@ int gfs2_acl_create(struct gfs2_inode *dip, struct gfs2_inode *ip)
acl = clone;
if (S_ISDIR(ip->i_inode.i_mode)) {
- er.er_name = GFS2_POSIX_ACL_DEFAULT;
- er.er_name_len = GFS2_POSIX_ACL_DEFAULT_LEN;
- error = gfs2_system_eaops.eo_set(ip, &er);
+ error = gfs2_xattr_set(&ip->i_inode, GFS2_EATYPE_SYS,
+ GFS2_POSIX_ACL_DEFAULT, data, len, 0);
if (error)
goto out;
}
@@ -239,21 +226,19 @@ int gfs2_acl_create(struct gfs2_inode *dip, struct gfs2_inode *ip)
error = posix_acl_create_masq(acl, &mode);
if (error < 0)
goto out;
- if (error > 0) {
- er.er_name = GFS2_POSIX_ACL_ACCESS;
- er.er_name_len = GFS2_POSIX_ACL_ACCESS_LEN;
- posix_acl_to_xattr(acl, er.er_data, er.er_data_len);
- er.er_mode = mode;
- er.er_flags = GFS2_ERF_MODE;
- error = gfs2_system_eaops.eo_set(ip, &er);
- if (error)
- goto out;
- } else
- munge_mode(ip, mode);
+ if (error == 0)
+ goto munge;
+ posix_acl_to_xattr(acl, data, len);
+ error = gfs2_xattr_set(&ip->i_inode, GFS2_EATYPE_SYS,
+ GFS2_POSIX_ACL_ACCESS, data, len, 0);
+ if (error)
+ goto out;
+munge:
+ error = munge_mode(ip, mode);
out:
posix_acl_release(acl);
- kfree(er.er_data);
+ kfree(data);
return error;
}
@@ -265,9 +250,9 @@ int gfs2_acl_chmod(struct gfs2_inode *ip, struct iattr *attr)
unsigned int len;
int error;
- error = acl_get(ip, ACL_ACCESS, &acl, &el, &data, &len);
+ error = acl_get(ip, GFS2_POSIX_ACL_ACCESS, &acl, &el, &data, &len);
if (error)
- return error;
+ goto out_brelse;
if (!acl)
return gfs2_setattr_simple(ip, attr);
@@ -286,8 +271,9 @@ int gfs2_acl_chmod(struct gfs2_inode *ip, struct iattr *attr)
out:
posix_acl_release(acl);
- brelse(el.el_bh);
kfree(data);
+out_brelse:
+ brelse(el.el_bh);
return error;
}
diff --git a/fs/gfs2/eaops.c b/fs/gfs2/eaops.c
deleted file mode 100644
index dee9b03e5b3..00000000000
--- a/fs/gfs2/eaops.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
- *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License version 2.
- */
-
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/completion.h>
-#include <linux/buffer_head.h>
-#include <linux/capability.h>
-#include <linux/xattr.h>
-#include <linux/gfs2_ondisk.h>
-#include <asm/uaccess.h>
-
-#include "gfs2.h"
-#include "incore.h"
-#include "acl.h"
-#include "eaops.h"
-#include "eattr.h"
-#include "util.h"
-
-/**
- * gfs2_ea_name2type - get the type of the ea, and truncate type from the name
- * @namep: ea name, possibly with type appended
- *
- * Returns: GFS2_EATYPE_XXX
- */
-
-unsigned int gfs2_ea_name2type(const char *name, const char **truncated_name)
-{
- unsigned int type;
-
- if (strncmp(name, "system.", 7) == 0) {
- type = GFS2_EATYPE_SYS;
- if (truncated_name)
- *truncated_name = name + sizeof("system.") - 1;
- } else if (strncmp(name, "user.", 5) == 0) {
- type = GFS2_EATYPE_USR;
- if (truncated_name)
- *truncated_name = name + sizeof("user.") - 1;
- } else if (strncmp(name, "security.", 9) == 0) {
- type = GFS2_EATYPE_SECURITY;
- if (truncated_name)
- *truncated_name = name + sizeof("security.") - 1;
- } else {
- type = GFS2_EATYPE_UNUSED;
- if (truncated_name)
- *truncated_name = NULL;
- }
-
- return type;
-}
-
-static int system_eo_get(struct gfs2_inode *ip, struct gfs2_ea_request *er)
-{
- if (!GFS2_ACL_IS_ACCESS(er->er_name, er->er_name_len) &&
- !GFS2_ACL_IS_DEFAULT(er->er_name, er->er_name_len) &&
- !capable(CAP_SYS_ADMIN))
- return -EPERM;
-
- if (GFS2_SB(&ip->i_inode)->sd_args.ar_posix_acl == 0 &&
- (GFS2_ACL_IS_ACCESS(er->er_name, er->er_name_len) ||
- GFS2_ACL_IS_DEFAULT(er->er_name, er->er_name_len)))
- return -EOPNOTSUPP;
-
- return gfs2_ea_get_i(ip, er);
-}
-
-static int system_eo_set(struct gfs2_inode *ip, struct gfs2_ea_request *er)
-{
- int remove = 0;
- int error;
-
- if (GFS2_ACL_IS_ACCESS(er->er_name, er->er_name_len)) {
- if (!(er->er_flags & GFS2_ERF_MODE)) {
- er->er_mode = ip->i_inode.i_mode;
- er->er_flags |= GFS2_ERF_MODE;
- }
- error = gfs2_acl_validate_set(ip, 1, er,
- &remove, &er->er_mode);
- if (error)
- return error;
- error = gfs2_ea_set_i(ip, er);
- if (error)
- return error;
- if (remove)
- gfs2_ea_remove_i(ip, er);
- return 0;
-
- } else if (GFS2_ACL_IS_DEFAULT(er->er_name, er->er_name_len)) {
- error = gfs2_acl_validate_set(ip, 0, er,
- &remove, NULL);
- if (error)
- return error;
- if (!remove)
- error = gfs2_ea_set_i(ip, er);
- else {
- error = gfs2_ea_remove_i(ip, er);
- if (error == -ENODATA)
- error = 0;
- }
- return error;
- }
-
- return -EPERM;
-}
-
-static int system_eo_remove(struct gfs2_inode *ip, struct gfs2_ea_request *er)
-{
- if (GFS2_ACL_IS_ACCESS(er->er_name, er->er_name_len)) {
- int error = gfs2_acl_validate_remove(ip, 1);
- if (error)
- return error;
-
- } else if (GFS2_ACL_IS_DEFAULT(er->er_name, er->er_name_len)) {
- int error = gfs2_acl_validate_remove(ip, 0);
- if (error)
- return error;
-
- } else
- return -EPERM;
-
- return gfs2_ea_remove_i(ip, er);
-}
-
-static const struct gfs2_eattr_operations gfs2_user_eaops = {
- .eo_get = gfs2_ea_get_i,
- .eo_set = gfs2_ea_set_i,
- .eo_remove = gfs2_ea_remove_i,
- .eo_name = "user",
-};
-
-const struct gfs2_eattr_operations gfs2_system_eaops = {
- .eo_get = system_eo_get,
- .eo_set = system_eo_set,
- .eo_remove = system_eo_remove,
- .eo_name = "system",
-};
-
-static const struct gfs2_eattr_operations gfs2_security_eaops = {
- .eo_get = gfs2_ea_get_i,
- .eo_set = gfs2_ea_set_i,
- .eo_remove = gfs2_ea_remove_i,
- .eo_name = "security",
-};
-
-const struct gfs2_eattr_operations *gfs2_ea_ops[] = {
- NULL,
- &gfs2_user_eaops,
- &gfs2_system_eaops,
- &gfs2_security_eaops,
-};
-
diff --git a/fs/gfs2/eaops.h b/fs/gfs2/eaops.h
deleted file mode 100644
index da2f7fbbb40..00000000000
--- a/fs/gfs2/eaops.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
- *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License version 2.
- */
-
-#ifndef __EAOPS_DOT_H__
-#define __EAOPS_DOT_H__
-
-struct gfs2_ea_request;
-struct gfs2_inode;
-
-struct gfs2_eattr_operations {
- int (*eo_get) (struct gfs2_inode *ip, struct gfs2_ea_request *er);
- int (*eo_set) (struct gfs2_inode *ip, struct gfs2_ea_request *er);
- int (*eo_remove) (struct gfs2_inode *ip, struct gfs2_ea_request *er);
- char *eo_name;
-};
-
-unsigned int gfs2_ea_name2type(const char *name, const char **truncated_name);
-
-extern const struct gfs2_eattr_operations gfs2_system_eaops;
-
-extern const struct gfs2_eattr_operations *gfs2_ea_ops[];
-
-#endif /* __EAOPS_DOT_H__ */
-
diff --git a/fs/gfs2/eattr.c b/fs/gfs2/eattr.c
index 07ea9529add..d9a9e260d5a 100644
--- a/fs/gfs2/eattr.c
+++ b/fs/gfs2/eattr.c
@@ -18,7 +18,6 @@
#include "gfs2.h"
#include "incore.h"
#include "acl.h"
-#include "eaops.h"
#include "eattr.h"
#include "glock.h"
#include "inode.h"
@@ -38,26 +37,32 @@
* Returns: 1 if the EA should be stuffed
*/
-static int ea_calc_size(struct gfs2_sbd *sdp, struct gfs2_ea_request *er,
+static int ea_calc_size(struct gfs2_sbd *sdp, unsigned int nsize, size_t dsize,
unsigned int *size)
{
- *size = GFS2_EAREQ_SIZE_STUFFED(er);
- if (*size <= sdp->sd_jbsize)
+ unsigned int jbsize = sdp->sd_jbsize;
+
+ /* Stuffed */
+ *size = ALIGN(sizeof(struct gfs2_ea_header) + nsize + dsize, 8);
+
+ if (*size <= jbsize)
return 1;
- *size = GFS2_EAREQ_SIZE_UNSTUFFED(sdp, er);
+ /* Unstuffed */
+ *size = ALIGN(sizeof(struct gfs2_ea_header) + nsize +
+ (sizeof(__be64) * DIV_ROUND_UP(dsize, jbsize)), 8);
return 0;
}
-static int ea_check_size(struct gfs2_sbd *sdp, struct gfs2_ea_request *er)
+static int ea_check_size(struct gfs2_sbd *sdp, unsigned int nsize, size_t dsize)
{
unsigned int size;
- if (er->er_data_len > GFS2_EA_MAX_DATA_LEN)
+ if (dsize > GFS2_EA_MAX_DATA_LEN)
return -ERANGE;
- ea_calc_size(sdp, er, &size);
+ ea_calc_size(sdp, nsize, dsize, &size);
/* This can only happen with 512 byte blocks */
if (size > sdp->sd_jbsize)
@@ -151,7 +156,9 @@ out:
}
struct ea_find {
- struct gfs2_ea_request *ef_er;
+ int type;
+ const char *name;
+ size_t namel;
struct gfs2_ea_location *ef_el;
};
@@ -160,14 +167,13 @@ static int ea_find_i(struct gfs2_inode *ip, struct buffer_head *bh,
void *private)
{
struct ea_find *ef = private;
- struct gfs2_ea_request *er = ef->ef_er;
if (ea->ea_type == GFS2_EATYPE_UNUSED)
return 0;
- if (ea->ea_type == er->er_type) {
- if (ea->ea_name_len == er->er_name_len &&
- !memcmp(GFS2_EA2NAME(ea), er->er_name, ea->ea_name_len)) {
+ if (ea->ea_type == ef->type) {
+ if (ea->ea_name_len == ef->namel &&
+ !memcmp(GFS2_EA2NAME(ea), ef->name, ea->ea_name_len)) {
struct gfs2_ea_location *el = ef->ef_el;
get_bh(bh);
el->el_bh = bh;
@@ -180,13 +186,15 @@ static int ea_find_i(struct gfs2_inode *ip, struct buffer_head *bh,
return 0;
}
-int gfs2_ea_find(struct gfs2_inode *ip, struct gfs2_ea_request *er,
+int gfs2_ea_find(struct gfs2_inode *ip, int type, const char *name,
struct gfs2_ea_location *el)
{
struct ea_find ef;
int error;
- ef.ef_er = er;
+ ef.type = type;
+ ef.name = name;
+ ef.namel = strlen(name);
ef.ef_el = el;
memset(el, 0, sizeof(struct gfs2_ea_location));
@@ -344,6 +352,20 @@ struct ea_list {
unsigned int ei_size;
};
+static inline unsigned int gfs2_ea_strlen(struct gfs2_ea_header *ea)
+{
+ switch (ea->ea_type) {
+ case GFS2_EATYPE_USR:
+ return 5 + ea->ea_name_len + 1;
+ case GFS2_EATYPE_SYS:
+ return 7 + ea->ea_name_len + 1;
+ case GFS2_EATYPE_SECURITY:
+ return 9 + ea->ea_name_len + 1;
+ default:
+ return 0;
+ }
+}
+
static int ea_list_i(struct gfs2_inode *ip, struct buffer_head *bh,
struct gfs2_ea_header *ea, struct gfs2_ea_header *prev,
void *private)
@@ -392,21 +414,25 @@ static int ea_list_i(struct gfs2_inode *ip, struct buffer_head *bh,
}
/**
- * gfs2_ea_list -
- * @ip:
- * @er:
+ * gfs2_listxattr - List gfs2 extended attributes
+ * @dentry: The dentry whose inode we are interested in
+ * @buffer: The buffer to write the results
+ * @size: The size of the buffer
*
* Returns: actual size of data on success, -errno on error
*/
-int gfs2_ea_list(struct gfs2_inode *ip, struct gfs2_ea_request *er)
+ssize_t gfs2_listxattr(struct dentry *dentry, char *buffer, size_t size)
{
+ struct gfs2_inode *ip = GFS2_I(dentry->d_inode);
+ struct gfs2_ea_request er;
struct gfs2_holder i_gh;
int error;
- if (!er->er_data || !er->er_data_len) {
- er->er_data = NULL;
- er->er_data_len = 0;
+ memset(&er, 0, sizeof(struct gfs2_ea_request));
+ if (size) {
+ er.er_data = buffer;
+ er.er_data_len = size;
}
error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &i_gh);
@@ -414,7 +440,7 @@ int gfs2_ea_list(struct gfs2_inode *ip, struct gfs2_ea_request *er)
return error;
if (ip->i_eattr) {
- struct ea_list ei = { .ei_er = er, .ei_size = 0 };
+ struct ea_list ei = { .ei_er = &er, .ei_size = 0 };
error = ea_foreach(ip, ea_list_i, &ei);
if (!error)
@@ -491,84 +517,61 @@ out:
}
int gfs2_ea_get_copy(struct gfs2_inode *ip, struct gfs2_ea_location *el,
- char *data)
+ char *data, size_t size)
{
+ int ret;
+ size_t len = GFS2_EA_DATA_LEN(el->el_ea);
+ if (len > size)
+ return -ERANGE;
+
if (GFS2_EA_IS_STUFFED(el->el_ea)) {
- memcpy(data, GFS2_EA2DATA(el->el_ea), GFS2_EA_DATA_LEN(el->el_ea));
- return 0;
- } else
- return ea_get_unstuffed(ip, el->el_ea, data);
+ memcpy(data, GFS2_EA2DATA(el->el_ea), len);
+ return len;
+ }
+ ret = ea_get_unstuffed(ip, el->el_ea, data);
+ if (ret < 0)
+ return ret;
+ return len;
}
/**
- * gfs2_ea_get_i -
- * @ip: The GFS2 inode
- * @er: The request structure
+ * gfs2_xattr_get - Get a GFS2 extended attribute
+ * @inode: The inode
+ * @type: The type of extended attribute
+ * @name: The name of the extended attribute
+ * @buffer: The buffer to write the result into
+ * @size: The size of the buffer
*
* Returns: actual size of data on success, -errno on error
*/
-int gfs2_ea_get_i(struct gfs2_inode *ip, struct gfs2_ea_request *er)
+int gfs2_xattr_get(struct inode *inode, int type, const char *name,
+ void *buffer, size_t size)
{
+ struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_ea_location el;
int error;
if (!ip->i_eattr)
return -ENODATA;
+ if (strlen(name) > GFS2_EA_MAX_NAME_LEN)
+ return -EINVAL;
- error = gfs2_ea_find(ip, er, &el);
+ error = gfs2_ea_find(ip, type, name, &el);
if (error)
return error;
if (!el.el_ea)
return -ENODATA;
-
- if (er->er_data_len) {
- if (GFS2_EA_DATA_LEN(el.el_ea) > er->er_data_len)
- error = -ERANGE;
- else
- error = gfs2_ea_get_copy(ip, &el, er->er_data);
- }
- if (!error)
+ if (size)
+ error = gfs2_ea_get_copy(ip, &el, buffer, size);
+ else
error = GFS2_EA_DATA_LEN(el.el_ea);
-
brelse(el.el_bh);
return error;
}
/**
- * gfs2_ea_get -
- * @ip: The GFS2 inode
- * @er: The request structure
- *
- * Returns: actual size of data on success, -errno on error
- */
-
-int gfs2_ea_get(struct gfs2_inode *ip, struct gfs2_ea_request *er)
-{
- struct gfs2_holder i_gh;
- int error;
-
- if (!er->er_name_len ||
- er->er_name_len > GFS2_EA_MAX_NAME_LEN)
- return -EINVAL;
- if (!er->er_data || !er->er_data_len) {
- er->er_data = NULL;
- er->er_data_len = 0;
- }
-
- error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &i_gh);
- if (error)
- return error;
-
- error = gfs2_ea_ops[er->er_type]->eo_get(ip, er);
-
- gfs2_glock_dq_uninit(&i_gh);
-
- return error;
-}
-
-/**
* ea_alloc_blk - allocates a new block for extended attributes.
* @ip: A pointer to the inode that's getting extended attributes
* @bhp: Pointer to pointer to a struct buffer_head
@@ -713,12 +716,6 @@ static int ea_alloc_skeleton(struct gfs2_inode *ip, struct gfs2_ea_request *er,
error = gfs2_meta_inode_buffer(ip, &dibh);
if (!error) {
- if (er->er_flags & GFS2_ERF_MODE) {
- gfs2_assert_withdraw(GFS2_SB(&ip->i_inode),
- (ip->i_inode.i_mode & S_IFMT) ==
- (er->er_mode & S_IFMT));
- ip->i_inode.i_mode = er->er_mode;
- }
ip->i_inode.i_ctime = CURRENT_TIME;
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
@@ -762,15 +759,23 @@ static int ea_init_i(struct gfs2_inode *ip, struct gfs2_ea_request *er,
* Returns: errno
*/
-static int ea_init(struct gfs2_inode *ip, struct gfs2_ea_request *er)
+static int ea_init(struct gfs2_inode *ip, int type, const char *name,
+ const void *data, size_t size)
{
+ struct gfs2_ea_request er;
unsigned int jbsize = GFS2_SB(&ip->i_inode)->sd_jbsize;
unsigned int blks = 1;
- if (GFS2_EAREQ_SIZE_STUFFED(er) > jbsize)
- blks += DIV_ROUND_UP(er->er_data_len, jbsize);
+ er.er_type = type;
+ er.er_name = name;
+ er.er_name_len = strlen(name);
+ er.er_data = (void *)data;
+ er.er_data_len = size;
+
+ if (GFS2_EAREQ_SIZE_STUFFED(&er) > jbsize)
+ blks += DIV_ROUND_UP(er.er_data_len, jbsize);
- return ea_alloc_skeleton(ip, er, blks, ea_init_i, NULL);
+ return ea_alloc_skeleton(ip, &er, blks, ea_init_i, NULL);
}
static struct gfs2_ea_header *ea_split_ea(struct gfs2_ea_header *ea)
@@ -848,12 +853,6 @@ static int ea_set_simple_noalloc(struct gfs2_inode *ip, struct buffer_head *bh,
error = gfs2_meta_inode_buffer(ip, &dibh);
if (error)
goto out;
-
- if (er->er_flags & GFS2_ERF_MODE) {
- gfs2_assert_withdraw(GFS2_SB(&ip->i_inode),
- (ip->i_inode.i_mode & S_IFMT) == (er->er_mode & S_IFMT));
- ip->i_inode.i_mode = er->er_mode;
- }
ip->i_inode.i_ctime = CURRENT_TIME;
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
@@ -894,7 +893,8 @@ static int ea_set_simple(struct gfs2_inode *ip, struct buffer_head *bh,
int stuffed;
int error;
- stuffed = ea_calc_size(GFS2_SB(&ip->i_inode), es->es_er, &size);
+ stuffed = ea_calc_size(GFS2_SB(&ip->i_inode), es->es_er->er_name_len,
+ es->es_er->er_data_len, &size);
if (ea->ea_type == GFS2_EATYPE_UNUSED) {
if (GFS2_EA_REC_LEN(ea) < size)
@@ -1005,15 +1005,22 @@ out:
return error;
}
-static int ea_set_i(struct gfs2_inode *ip, struct gfs2_ea_request *er,
- struct gfs2_ea_location *el)
+static int ea_set_i(struct gfs2_inode *ip, int type, const char *name,
+ const void *value, size_t size, struct gfs2_ea_location *el)
{
+ struct gfs2_ea_request er;
struct ea_set es;
unsigned int blks = 2;
int error;
+ er.er_type = type;
+ er.er_name = name;
+ er.er_data = (void *)value;
+ er.er_name_len = strlen(name);
+ er.er_data_len = size;
+
memset(&es, 0, sizeof(struct ea_set));
- es.es_er = er;
+ es.es_er = &er;
es.es_el = el;
error = ea_foreach(ip, ea_set_simple, &es);
@@ -1024,10 +1031,10 @@ static int ea_set_i(struct gfs2_inode *ip, struct gfs2_ea_request *er,
if (!(ip->i_diskflags & GFS2_DIF_EA_INDIRECT))
blks++;
- if (GFS2_EAREQ_SIZE_STUFFED(er) > GFS2_SB(&ip->i_inode)->sd_jbsize)
- blks += DIV_ROUND_UP(er->er_data_len, GFS2_SB(&ip->i_inode)->sd_jbsize);
+ if (GFS2_EAREQ_SIZE_STUFFED(&er) > GFS2_SB(&ip->i_inode)->sd_jbsize)
+ blks += DIV_ROUND_UP(er.er_data_len, GFS2_SB(&ip->i_inode)->sd_jbsize);
- return ea_alloc_skeleton(ip, er, blks, ea_set_block, el);
+ return ea_alloc_skeleton(ip, &er, blks, ea_set_block, el);
}
static int ea_set_remove_unstuffed(struct gfs2_inode *ip,
@@ -1042,74 +1049,6 @@ static int ea_set_remove_unstuffed(struct gfs2_inode *ip,
return ea_remove_unstuffed(ip, el->el_bh, el->el_ea, el->el_prev,0);
}
-int gfs2_ea_set_i(struct gfs2_inode *ip, struct gfs2_ea_request *er)
-{
- struct gfs2_ea_location el;
- int error;
-
- if (!ip->i_eattr) {
- if (er->er_flags & XATTR_REPLACE)
- return -ENODATA;
- return ea_init(ip, er);
- }
-
- error = gfs2_ea_find(ip, er, &el);
- if (error)
- return error;
-
- if (el.el_ea) {
- if (ip->i_diskflags & GFS2_DIF_APPENDONLY) {
- brelse(el.el_bh);
- return -EPERM;
- }
-
- error = -EEXIST;
- if (!(er->er_flags & XATTR_CREATE)) {
- int unstuffed = !GFS2_EA_IS_STUFFED(el.el_ea);
- error = ea_set_i(ip, er, &el);
- if (!error && unstuffed)
- ea_set_remove_unstuffed(ip, &el);
- }
-
- brelse(el.el_bh);
- } else {
- error = -ENODATA;
- if (!(er->er_flags & XATTR_REPLACE))
- error = ea_set_i(ip, er, NULL);
- }
-
- return error;
-}
-
-int gfs2_ea_set(struct gfs2_inode *ip, struct gfs2_ea_request *er)
-{
- struct gfs2_holder i_gh;
- int error;
-
- if (!er->er_name_len || er->er_name_len > GFS2_EA_MAX_NAME_LEN)
- return -EINVAL;
- if (!er->er_data || !er->er_data_len) {
- er->er_data = NULL;
- er->er_data_len = 0;
- }
- error = ea_check_size(GFS2_SB(&ip->i_inode), er);
- if (error)
- return error;
-
- error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &i_gh);
- if (error)
- return error;
-
- if (IS_IMMUTABLE(&ip->i_inode))
- error = -EPERM;
- else
- error = gfs2_ea_ops[er->er_type]->eo_set(ip, er);
-
- gfs2_glock_dq_uninit(&i_gh);
-
- return error;
-}
-
static int ea_remove_stuffed(struct gfs2_inode *ip, struct gfs2_ea_location *el)
{
struct gfs2_ea_header *ea = el->el_ea;
@@ -1131,8 +1070,9 @@ static int ea_remove_stuffed(struct gfs2_inode *ip, struct gfs2_ea_location *el)
if (GFS2_EA_IS_LAST(ea))
prev->ea_flags |= GFS2_EAFLAG_LAST;
- } else
+ } else {
ea->ea_type = GFS2_EATYPE_UNUSED;
+ }
error = gfs2_meta_inode_buffer(ip, &dibh);
if (!error) {
@@ -1147,15 +1087,29 @@ static int ea_remove_stuffed(struct gfs2_inode *ip, struct gfs2_ea_location *el)
return error;
}
-int gfs2_ea_remove_i(struct gfs2_inode *ip, struct gfs2_ea_request *er)
+/**
+ * gfs2_xattr_remove - Remove a GFS2 extended attribute
+ * @inode: The inode
+ * @type: The type of the extended attribute
+ * @name: The name of the extended attribute
+ *
+ * This is not called directly by the VFS since we use the (common)
+ * scheme of making a "set with NULL data" mean a remove request. Note
+ * that this is different from a set with zero length data.
+ *
+ * Returns: 0, or errno on failure
+ */
+
+static int gfs2_xattr_remove(struct inode *inode, int type, const char *name)
{
+ struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_ea_location el;
int error;
if (!ip->i_eattr)
return -ENODATA;
- error = gfs2_ea_find(ip, er, &el);
+ error = gfs2_ea_find(ip, type, name, &el);
if (error)
return error;
if (!el.el_ea)
@@ -1164,8 +1118,7 @@ int gfs2_ea_remove_i(struct gfs2_inode *ip, struct gfs2_ea_request *er)
if (GFS2_EA_IS_STUFFED(el.el_ea))
error = ea_remove_stuffed(ip, &el);
else
- error = ea_remove_unstuffed(ip, el.el_bh, el.el_ea, el.el_prev,
- 0);
+ error = ea_remove_unstuffed(ip, el.el_bh, el.el_ea, el.el_prev, 0);
brelse(el.el_bh);
@@ -1173,31 +1126,70 @@ int gfs2_ea_remove_i(struct gfs2_inode *ip, struct gfs2_ea_request *er)
}
/**
- * gfs2_ea_remove - sets (or creates or replaces) an extended attribute
- * @ip: pointer to the inode of the target file
- * @er: request information
+ * gfs2_xattr_set - Set (or remove) a GFS2 extended attribute
+ * @inode: The inode
+ * @type: The type of the extended attribute
+ * @name: The name of the extended attribute
+ * @value: The value of the extended attribute (NULL for remove)
+ * @size: The size of the @value argument
+ * @flags: Create or Replace
*
- * Returns: errno
+ * See gfs2_xattr_remove() for details of the removal of xattrs.
+ *
+ * Returns: 0 or errno on failure
*/
-int gfs2_ea_remove(struct gfs2_inode *ip, struct gfs2_ea_request *er)
+int gfs2_xattr_set(struct inode *inode, int type, const char *name,
+ const void *value, size_t size, int flags)
{
- struct gfs2_holder i_gh;
+ struct gfs2_sbd *sdp = GFS2_SB(inode);
+ struct gfs2_inode *ip = GFS2_I(inode);
+ struct gfs2_ea_location el;
+ unsigned int namel = strlen(name);
int error;
- if (!er->er_name_len || er->er_name_len > GFS2_EA_MAX_NAME_LEN)
- return -EINVAL;
+ if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
+ return -EPERM;
+ if (namel > GFS2_EA_MAX_NAME_LEN)
+ return -ERANGE;
- error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &i_gh);
+ if (value == NULL)
+ return gfs2_xattr_remove(inode, type, name);
+
+ if (ea_check_size(sdp, namel, size))
+ return -ERANGE;
+
+ if (!ip->i_eattr) {
+ if (flags & XATTR_REPLACE)
+ return -ENODATA;
+ return ea_init(ip, type, name, value, size);
+ }
+
+ error = gfs2_ea_find(ip, type, name, &el);
if (error)
return error;
- if (IS_IMMUTABLE(&ip->i_inode) || IS_APPEND(&ip->i_inode))
- error = -EPERM;
- else
- error = gfs2_ea_ops[er->er_type]->eo_remove(ip, er);
+ if (el.el_ea) {
+ if (ip->i_diskflags & GFS2_DIF_APPENDONLY) {
+ brelse(el.el_bh);
+ return -EPERM;
+ }
- gfs2_glock_dq_uninit(&i_gh);
+ error = -EEXIST;
+ if (!(flags & XATTR_CREATE)) {
+ int unstuffed = !GFS2_EA_IS_STUFFED(el.el_ea);
+ error = ea_set_i(ip, type, name, value, size, &el);
+ if (!error && unstuffed)
+ ea_set_remove_unstuffed(ip, &el);
+ }
+
+ brelse(el.el_bh);
+ return error;
+ }
+
+ error = -ENODATA;
+ if (!(flags & XATTR_REPLACE))
+ error = ea_set_i(ip, type, name, value, size, NULL);
return error;
}
@@ -1503,3 +1495,64 @@ out_alloc:
return error;
}
+static int gfs2_xattr_user_get(struct inode *inode, const char *name,
+ void *buffer, size_t size)
+{
+ return gfs2_xattr_get(inode, GFS2_EATYPE_USR, name, buffer, size);
+}
+
+static int gfs2_xattr_user_set(struct inode *inode, const char *name,
+ const void *value, size_t size, int flags)
+{
+ return gfs2_xattr_set(inode, GFS2_EATYPE_USR, name, value, size, flags);
+}
+
+static int gfs2_xattr_system_get(struct inode *inode, const char *name,
+ void *buffer, size_t size)
+{
+ return gfs2_xattr_get(inode, GFS2_EATYPE_SYS, name, buffer, size);
+}
+
+static int gfs2_xattr_system_set(struct inode *inode, const char *name,
+ const void *value, size_t size, int flags)
+{
+ return gfs2_xattr_set(inode, GFS2_EATYPE_SYS, name, value, size, flags);
+}
+
+static int gfs2_xattr_security_get(struct inode *inode, const char *name,
+ void *buffer, size_t size)
+{
+ return gfs2_xattr_get(inode, GFS2_EATYPE_SECURITY, name, buffer, size);
+}
+
+static int gfs2_xattr_security_set(struct inode *inode, const char *name,
+ const void *value, size_t size, int flags)
+{
+ return gfs2_xattr_set(inode, GFS2_EATYPE_SECURITY, name, value, size, flags);
+}
+
+static struct xattr_handler gfs2_xattr_user_handler = {
+ .prefix = XATTR_USER_PREFIX,
+ .get = gfs2_xattr_user_get,
+ .set = gfs2_xattr_user_set,
+};
+
+static struct xattr_handler gfs2_xattr_security_handler = {
+ .prefix = XATTR_SECURITY_PREFIX,
+ .get = gfs2_xattr_security_get,
+ .set = gfs2_xattr_security_set,
+};
+
+static struct xattr_handler gfs2_xattr_system_handler = {
+ .prefix = XATTR_SYSTEM_PREFIX,
+ .get = gfs2_xattr_system_get,
+ .set = gfs2_xattr_system_set,
+};
+
+struct xattr_handler *gfs2_xattr_handlers[] = {
+ &gfs2_xattr_user_handler,
+ &gfs2_xattr_security_handler,
+ &gfs2_xattr_system_handler,
+ NULL,
+};
+
diff --git a/fs/gfs2/eattr.h b/fs/gfs2/eattr.h
index c82dbe01d71..4040a188f63 100644
--- a/fs/gfs2/eattr.h
+++ b/fs/gfs2/eattr.h
@@ -27,10 +27,6 @@ ALIGN(sizeof(struct gfs2_ea_header) + (ea)->ea_name_len + \
#define GFS2_EAREQ_SIZE_STUFFED(er) \
ALIGN(sizeof(struct gfs2_ea_header) + (er)->er_name_len + (er)->er_data_len, 8)
-#define GFS2_EAREQ_SIZE_UNSTUFFED(sdp, er) \
-ALIGN(sizeof(struct gfs2_ea_header) + (er)->er_name_len + \
- sizeof(__be64) * DIV_ROUND_UP((er)->er_data_len, (sdp)->sd_jbsize), 8)
-
#define GFS2_EA2NAME(ea) ((char *)((struct gfs2_ea_header *)(ea) + 1))
#define GFS2_EA2DATA(ea) (GFS2_EA2NAME(ea) + (ea)->ea_name_len)
@@ -43,16 +39,12 @@ ALIGN(sizeof(struct gfs2_ea_header) + (er)->er_name_len + \
#define GFS2_EA_BH2FIRST(bh) \
((struct gfs2_ea_header *)((bh)->b_data + sizeof(struct gfs2_meta_header)))
-#define GFS2_ERF_MODE 0x80000000
-
struct gfs2_ea_request {
const char *er_name;
char *er_data;
unsigned int er_name_len;
unsigned int er_data_len;
unsigned int er_type; /* GFS2_EATYPE_... */
- int er_flags;
- mode_t er_mode;
};
struct gfs2_ea_location {
@@ -61,40 +53,20 @@ struct gfs2_ea_location {
struct gfs2_ea_header *el_prev;
};
-int gfs2_ea_get_i(struct gfs2_inode *ip, struct gfs2_ea_request *er);
-int gfs2_ea_set_i(struct gfs2_inode *ip, struct gfs2_ea_request *er);
-int gfs2_ea_remove_i(struct gfs2_inode *ip, struct gfs2_ea_request *er);
-
-int gfs2_ea_list(struct gfs2_inode *ip, struct gfs2_ea_request *er);
-int gfs2_ea_get(struct gfs2_inode *ip, struct gfs2_ea_request *er);
-int gfs2_ea_set(struct gfs2_inode *ip, struct gfs2_ea_request *er);
-int gfs2_ea_remove(struct gfs2_inode *ip, struct gfs2_ea_request *er);
-
-int gfs2_ea_dealloc(struct gfs2_inode *ip);
+extern int gfs2_xattr_get(struct inode *inode, int type, const char *name,
+ void *buffer, size_t size);
+extern int gfs2_xattr_set(struct inode *inode, int type, const char *name,
+ const void *value, size_t size, int flags);
+extern ssize_t gfs2_listxattr(struct dentry *dentry, char *buffer, size_t size);
+extern int gfs2_ea_dealloc(struct gfs2_inode *ip);
/* Exported to acl.c */
-int gfs2_ea_find(struct gfs2_inode *ip,
- struct gfs2_ea_request *er,
- struct gfs2_ea_location *el);
-int gfs2_ea_get_copy(struct gfs2_inode *ip,
- struct gfs2_ea_location *el,
- char *data);
-int gfs2_ea_acl_chmod(struct gfs2_inode *ip, struct gfs2_ea_location *el,
- struct iattr *attr, char *data);
-
-static inline unsigned int gfs2_ea_strlen(struct gfs2_ea_header *ea)
-{
- switch (ea->ea_type) {
- case GFS2_EATYPE_USR:
- return 5 + ea->ea_name_len + 1;
- case GFS2_EATYPE_SYS:
- return 7 + ea->ea_name_len + 1;
- case GFS2_EATYPE_SECURITY:
- return 9 + ea->ea_name_len + 1;
- default:
- return 0;
- }
-}
+extern int gfs2_ea_find(struct gfs2_inode *ip, int type, const char *name,
+ struct gfs2_ea_location *el);
+extern int gfs2_ea_get_copy(struct gfs2_inode *ip, struct gfs2_ea_location *el,
+ char *data, size_t size);
+extern int gfs2_ea_acl_chmod(struct gfs2_inode *ip, struct gfs2_ea_location *el,
+ struct iattr *attr, char *data);
#endif /* __EATTR_DOT_H__ */
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 73318a3ce6f..166f38fbd24 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -38,7 +38,6 @@
#include "rgrp.h"
#include "trans.h"
#include "util.h"
-#include "eaops.h"
/**
* gfs2_llseek - seek to a location in a file
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index f9b4fe88654..f936d2d6813 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -924,7 +924,6 @@ static int gfs2_security_init(struct gfs2_inode *dip, struct gfs2_inode *ip)
size_t len;
void *value;
char *name;
- struct gfs2_ea_request er;
err = security_inode_init_security(&ip->i_inode, &dip->i_inode,
&name, &value, &len);
@@ -935,16 +934,7 @@ static int gfs2_security_init(struct gfs2_inode *dip, struct gfs2_inode *ip)
return err;
}
- memset(&er, 0, sizeof(struct gfs2_ea_request));
-
- er.er_type = GFS2_EATYPE_SECURITY;
- er.er_name = name;
- er.er_data = value;
- er.er_name_len = strlen(name);
- er.er_data_len = len;
-
- err = gfs2_ea_set_i(ip, &er);
-
+ err = gfs2_xattr_set(&ip->i_inode, GFS2_EATYPE_SECURITY, name, value, len, 0);
kfree(value);
kfree(name);
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 165518a1041..1ec69e63c69 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -1186,6 +1186,7 @@ static int fill_super(struct super_block *sb, void *data, int silent)
sb->s_magic = GFS2_MAGIC;
sb->s_op = &gfs2_super_ops;
sb->s_export_op = &gfs2_export_ops;
+ sb->s_xattr = gfs2_xattr_handlers;
sb->s_time_gran = 1;
sb->s_maxbytes = MAX_LFS_FILESIZE;
diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c
index ce551f85524..1ee0c265746 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -26,7 +26,6 @@
#include "acl.h"
#include "bmap.h"
#include "dir.h"
-#include "eaops.h"
#include "eattr.h"
#include "glock.h"
#include "inode.h"
@@ -1302,60 +1301,53 @@ static int gfs2_setxattr(struct dentry *dentry, const char *name,
const void *data, size_t size, int flags)
{
struct inode *inode = dentry->d_inode;
- struct gfs2_ea_request er;
-
- memset(&er, 0, sizeof(struct gfs2_ea_request));
- er.er_type = gfs2_ea_name2type(name, &er.er_name);
- if (er.er_type == GFS2_EATYPE_UNUSED)
- return -EOPNOTSUPP;
- er.er_data = (char *)data;
- er.er_name_len = strlen(er.er_name);
- er.er_data_len = size;
- er.er_flags = flags;
-
- gfs2_assert_warn(GFS2_SB(inode), !(er.er_flags & GFS2_ERF_MODE));
+ struct gfs2_inode *ip = GFS2_I(inode);
+ struct gfs2_holder gh;
+ int ret;
- return gfs2_ea_set(GFS2_I(inode), &er);
+ gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
+ ret = gfs2_glock_nq(&gh);
+ if (ret == 0) {
+ ret = generic_setxattr(dentry, name, data, size, flags);
+ gfs2_glock_dq(&gh);
+ }
+ gfs2_holder_uninit(&gh);
+ return ret;
}
static ssize_t gfs2_getxattr(struct dentry *dentry, const char *name,
void *data, size_t size)
{
- struct gfs2_ea_request er;
-
- memset(&er, 0, sizeof(struct gfs2_ea_request));
- er.er_type = gfs2_ea_name2type(name, &er.er_name);
- if (er.er_type == GFS2_EATYPE_UNUSED)
- return -EOPNOTSUPP;
- er.er_data = data;
- er.er_name_len = strlen(er.er_name);
- er.er_data_len = size;
-
- return gfs2_ea_get(GFS2_I(dentry->d_inode), &er);
-}
-
-static ssize_t gfs2_listxattr(struct dentry *dentry, char *buffer, size_t size)
-{
- struct gfs2_ea_request er;
-
- memset(&er, 0, sizeof(struct gfs2_ea_request));
- er.er_data = (size) ? buffer : NULL;
- er.er_data_len = size;
+ struct inode *inode = dentry->d_inode;
+ struct gfs2_inode *ip = GFS2_I(inode);
+ struct gfs2_holder gh;
+ int ret;
- return gfs2_ea_list(GFS2_I(dentry->d_inode), &er);
+ gfs2_holder_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &gh);
+ ret = gfs2_glock_nq(&gh);
+ if (ret == 0) {
+ ret = generic_getxattr(dentry, name, data, size);
+ gfs2_glock_dq(&gh);
+ }
+ gfs2_holder_uninit(&gh);
+ return ret;
}
static int gfs2_removexattr(struct dentry *dentry, const char *name)
{
- struct gfs2_ea_request er;
-
- memset(&er, 0, sizeof(struct gfs2_ea_request));
- er.er_type = gfs2_ea_name2type(name, &er.er_name);
- if (er.er_type == GFS2_EATYPE_UNUSED)
- return -EOPNOTSUPP;
- er.er_name_len = strlen(er.er_name);
+ struct inode *inode = dentry->d_inode;
+ struct gfs2_inode *ip = GFS2_I(inode);
+ struct gfs2_holder gh;
+ int ret;
- return gfs2_ea_remove(GFS2_I(dentry->d_inode), &er);
+ gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
+ ret = gfs2_glock_nq(&gh);
+ if (ret == 0) {
+ ret = generic_removexattr(dentry, name);
+ gfs2_glock_dq(&gh);
+ }
+ gfs2_holder_uninit(&gh);
+ return ret;
}
static int gfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
diff --git a/fs/gfs2/super.h b/fs/gfs2/super.h
index 911c954cefb..235db368288 100644
--- a/fs/gfs2/super.h
+++ b/fs/gfs2/super.h
@@ -54,6 +54,7 @@ extern struct file_system_type gfs2meta_fs_type;
extern const struct export_operations gfs2_export_ops;
extern const struct super_operations gfs2_super_ops;
extern const struct dentry_operations gfs2_dops;
+extern struct xattr_handler *gfs2_xattr_handlers[];
#endif /* __SUPER_DOT_H__ */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-01 04:28:24 +0000