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Diffstat (limited to 'fs/ext3')
-rw-r--r--fs/ext3/ialloc.c5
-rw-r--r--fs/ext3/inode.c2
-rw-r--r--fs/ext3/super.c92
-rw-r--r--fs/ext3/xattr.h11
-rw-r--r--fs/ext3/xattr_security.c22
5 files changed, 121 insertions, 11 deletions
diff --git a/fs/ext3/ialloc.c b/fs/ext3/ialloc.c
index 6981bd014ed..96552769d03 100644
--- a/fs/ext3/ialloc.c
+++ b/fs/ext3/ialloc.c
@@ -607,6 +607,11 @@ got:
DQUOT_DROP(inode);
goto fail2;
}
+ err = ext3_init_security(handle,inode, dir);
+ if (err) {
+ DQUOT_FREE_INODE(inode);
+ goto fail2;
+ }
err = ext3_mark_inode_dirty(handle, inode);
if (err) {
ext3_std_error(sb, err);
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 9989fdcf4d5..b5177c90d6f 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -187,6 +187,8 @@ void ext3_delete_inode (struct inode * inode)
{
handle_t *handle;
+ truncate_inode_pages(&inode->i_data, 0);
+
if (is_bad_inode(inode))
goto no_delete;
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 3c3c6e399fb..a93c3609025 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -35,6 +35,7 @@
#include <linux/mount.h>
#include <linux/namei.h>
#include <linux/quotaops.h>
+#include <linux/seq_file.h>
#include <asm/uaccess.h>
#include "xattr.h"
#include "acl.h"
@@ -509,8 +510,41 @@ static void ext3_clear_inode(struct inode *inode)
kfree(rsv);
}
-#ifdef CONFIG_QUOTA
+static int ext3_show_options(struct seq_file *seq, struct vfsmount *vfs)
+{
+ struct ext3_sb_info *sbi = EXT3_SB(vfs->mnt_sb);
+
+ if (sbi->s_mount_opt & EXT3_MOUNT_JOURNAL_DATA)
+ seq_puts(seq, ",data=journal");
+
+ if (sbi->s_mount_opt & EXT3_MOUNT_ORDERED_DATA)
+ seq_puts(seq, ",data=ordered");
+
+ if (sbi->s_mount_opt & EXT3_MOUNT_WRITEBACK_DATA)
+ seq_puts(seq, ",data=writeback");
+
+#if defined(CONFIG_QUOTA)
+ if (sbi->s_jquota_fmt)
+ seq_printf(seq, ",jqfmt=%s",
+ (sbi->s_jquota_fmt == QFMT_VFS_OLD) ? "vfsold": "vfsv0");
+
+ if (sbi->s_qf_names[USRQUOTA])
+ seq_printf(seq, ",usrjquota=%s", sbi->s_qf_names[USRQUOTA]);
+
+ if (sbi->s_qf_names[GRPQUOTA])
+ seq_printf(seq, ",grpjquota=%s", sbi->s_qf_names[GRPQUOTA]);
+ if (sbi->s_mount_opt & EXT3_MOUNT_USRQUOTA)
+ seq_puts(seq, ",usrquota");
+
+ if (sbi->s_mount_opt & EXT3_MOUNT_GRPQUOTA)
+ seq_puts(seq, ",grpquota");
+#endif
+
+ return 0;
+}
+
+#ifdef CONFIG_QUOTA
#define QTYPE2NAME(t) ((t)==USRQUOTA?"user":"group")
#define QTYPE2MOPT(on, t) ((t)==USRQUOTA?((on)##USRJQUOTA):((on)##GRPJQUOTA))
@@ -569,6 +603,7 @@ static struct super_operations ext3_sops = {
.statfs = ext3_statfs,
.remount_fs = ext3_remount,
.clear_inode = ext3_clear_inode,
+ .show_options = ext3_show_options,
#ifdef CONFIG_QUOTA
.quota_read = ext3_quota_read,
.quota_write = ext3_quota_write,
@@ -590,7 +625,8 @@ enum {
Opt_abort, Opt_data_journal, Opt_data_ordered, Opt_data_writeback,
Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota,
Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_quota, Opt_noquota,
- Opt_ignore, Opt_barrier, Opt_err, Opt_resize,
+ Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota,
+ Opt_grpquota
};
static match_table_t tokens = {
@@ -634,10 +670,10 @@ static match_table_t tokens = {
{Opt_grpjquota, "grpjquota=%s"},
{Opt_jqfmt_vfsold, "jqfmt=vfsold"},
{Opt_jqfmt_vfsv0, "jqfmt=vfsv0"},
- {Opt_quota, "grpquota"},
+ {Opt_grpquota, "grpquota"},
{Opt_noquota, "noquota"},
{Opt_quota, "quota"},
- {Opt_quota, "usrquota"},
+ {Opt_usrquota, "usrquota"},
{Opt_barrier, "barrier=%u"},
{Opt_err, NULL},
{Opt_resize, "resize"},
@@ -903,7 +939,13 @@ clear_qf_name:
sbi->s_jquota_fmt = QFMT_VFS_V0;
break;
case Opt_quota:
+ case Opt_usrquota:
set_opt(sbi->s_mount_opt, QUOTA);
+ set_opt(sbi->s_mount_opt, USRQUOTA);
+ break;
+ case Opt_grpquota:
+ set_opt(sbi->s_mount_opt, QUOTA);
+ set_opt(sbi->s_mount_opt, GRPQUOTA);
break;
case Opt_noquota:
if (sb_any_quota_enabled(sb)) {
@@ -912,8 +954,13 @@ clear_qf_name:
return 0;
}
clear_opt(sbi->s_mount_opt, QUOTA);
+ clear_opt(sbi->s_mount_opt, USRQUOTA);
+ clear_opt(sbi->s_mount_opt, GRPQUOTA);
break;
#else
+ case Opt_quota:
+ case Opt_usrquota:
+ case Opt_grpquota:
case Opt_usrjquota:
case Opt_grpjquota:
case Opt_offusrjquota:
@@ -924,7 +971,6 @@ clear_qf_name:
"EXT3-fs: journalled quota options not "
"supported.\n");
break;
- case Opt_quota:
case Opt_noquota:
break;
#endif
@@ -962,14 +1008,38 @@ clear_qf_name:
}
}
#ifdef CONFIG_QUOTA
- if (!sbi->s_jquota_fmt && (sbi->s_qf_names[USRQUOTA] ||
- sbi->s_qf_names[GRPQUOTA])) {
- printk(KERN_ERR
- "EXT3-fs: journalled quota format not specified.\n");
- return 0;
+ if (sbi->s_qf_names[USRQUOTA] || sbi->s_qf_names[GRPQUOTA]) {
+ if ((sbi->s_mount_opt & EXT3_MOUNT_USRQUOTA) &&
+ sbi->s_qf_names[USRQUOTA])
+ clear_opt(sbi->s_mount_opt, USRQUOTA);
+
+ if ((sbi->s_mount_opt & EXT3_MOUNT_GRPQUOTA) &&
+ sbi->s_qf_names[GRPQUOTA])
+ clear_opt(sbi->s_mount_opt, GRPQUOTA);
+
+ if ((sbi->s_qf_names[USRQUOTA] &&
+ (sbi->s_mount_opt & EXT3_MOUNT_GRPQUOTA)) ||
+ (sbi->s_qf_names[GRPQUOTA] &&
+ (sbi->s_mount_opt & EXT3_MOUNT_USRQUOTA))) {
+ printk(KERN_ERR "EXT3-fs: old and new quota "
+ "format mixing.\n");
+ return 0;
+ }
+
+ if (!sbi->s_jquota_fmt) {
+ printk(KERN_ERR "EXT3-fs: journalled quota format "
+ "not specified.\n");
+ return 0;
+ }
+ } else {
+ if (sbi->s_jquota_fmt) {
+ printk(KERN_ERR "EXT3-fs: journalled quota format "
+ "specified with no journalling "
+ "enabled.\n");
+ return 0;
+ }
}
#endif
-
return 1;
}
diff --git a/fs/ext3/xattr.h b/fs/ext3/xattr.h
index eb31a69e82d..2ceae38f3d4 100644
--- a/fs/ext3/xattr.h
+++ b/fs/ext3/xattr.h
@@ -133,3 +133,14 @@ exit_ext3_xattr(void)
#define ext3_xattr_handlers NULL
# endif /* CONFIG_EXT3_FS_XATTR */
+
+#ifdef CONFIG_EXT3_FS_SECURITY
+extern int ext3_init_security(handle_t *handle, struct inode *inode,
+ struct inode *dir);
+#else
+static inline int ext3_init_security(handle_t *handle, struct inode *inode,
+ struct inode *dir)
+{
+ return 0;
+}
+#endif
diff --git a/fs/ext3/xattr_security.c b/fs/ext3/xattr_security.c
index ddc1c41750e..b9c40c15647 100644
--- a/fs/ext3/xattr_security.c
+++ b/fs/ext3/xattr_security.c
@@ -9,6 +9,7 @@
#include <linux/smp_lock.h>
#include <linux/ext3_jbd.h>
#include <linux/ext3_fs.h>
+#include <linux/security.h>
#include "xattr.h"
static size_t
@@ -47,6 +48,27 @@ ext3_xattr_security_set(struct inode *inode, const char *name,
value, size, flags);
}
+int
+ext3_init_security(handle_t *handle, struct inode *inode, struct inode *dir)
+{
+ int err;
+ size_t len;
+ void *value;
+ char *name;
+
+ err = security_inode_init_security(inode, dir, &name, &value, &len);
+ if (err) {
+ if (err == -EOPNOTSUPP)
+ return 0;
+ return err;
+ }
+ err = ext3_xattr_set_handle(handle, inode, EXT3_XATTR_INDEX_SECURITY,
+ name, value, len, 0);
+ kfree(name);
+ kfree(value);
+ return err;
+}
+
struct xattr_handler ext3_xattr_security_handler = {
.prefix = XATTR_SECURITY_PREFIX,
.list = ext3_xattr_security_list,
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-01-16 06:11:41 +0000