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-rw-r--r--fs/ext2/Makefile1
-rw-r--r--fs/ext2/acl.c1
-rw-r--r--fs/ext2/acl.h1
-rw-r--r--fs/ext2/balloc.c1
-rw-r--r--fs/ext2/dir.c1
-rw-r--r--fs/ext2/ext2.h1
-rw-r--r--fs/ext2/file.c3
-rw-r--r--fs/ext2/ialloc.c1
-rw-r--r--fs/ext2/inode.c5
-rw-r--r--fs/ext2/ioctl.c1
-rw-r--r--fs/ext2/namei.c1
-rw-r--r--fs/ext2/super.c161
-rw-r--r--fs/ext2/symlink.c1
-rw-r--r--fs/ext2/xattr.c1
-rw-r--r--fs/ext2/xattr.h1
-rw-r--r--fs/ext2/xattr_security.c1
-rw-r--r--fs/ext2/xattr_trusted.c1
-rw-r--r--fs/ext2/xattr_user.c1
18 files changed, 98 insertions, 86 deletions
diff --git a/fs/ext2/Makefile b/fs/ext2/Makefile
index 445b0e996a12..311479d864a7 100644
--- a/fs/ext2/Makefile
+++ b/fs/ext2/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux ext2-filesystem routines.
#
diff --git a/fs/ext2/acl.c b/fs/ext2/acl.c
index 51f0aea70cb4..224c04abb2e5 100644
--- a/fs/ext2/acl.c
+++ b/fs/ext2/acl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/fs/ext2/acl.c
*
diff --git a/fs/ext2/acl.h b/fs/ext2/acl.h
index 44937f9fcf32..0f01c759daac 100644
--- a/fs/ext2/acl.h
+++ b/fs/ext2/acl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
File: fs/ext2/acl.h
diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index d0bdb74f0e15..e1b3724bebf2 100644
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/fs/ext2/balloc.c
*
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index e2709695b177..987647986f47 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/fs/ext2/dir.c
*
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index 28de3edd4f4d..032295e1d386 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 1992, 1993, 1994, 1995
* Remy Card (card@masi.ibp.fr)
diff --git a/fs/ext2/file.c b/fs/ext2/file.c
index ff3a3636a5ca..2da67699dc33 100644
--- a/fs/ext2/file.c
+++ b/fs/ext2/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/fs/ext2/file.c
*
@@ -99,7 +100,7 @@ static int ext2_dax_fault(struct vm_fault *vmf)
}
down_read(&ei->dax_sem);
- ret = dax_iomap_fault(vmf, PE_SIZE_PTE, &ext2_iomap_ops);
+ ret = dax_iomap_fault(vmf, PE_SIZE_PTE, NULL, &ext2_iomap_ops);
up_read(&ei->dax_sem);
if (vmf->flags & FAULT_FLAG_WRITE)
diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index 395fc074c0db..a1fc3dabca41 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/fs/ext2/ialloc.c
*
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 4dca6f348714..9b2ac55ac34f 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/fs/ext2/inode.c
*
@@ -820,11 +821,11 @@ static int ext2_iomap_begin(struct inode *inode, loff_t offset, loff_t length,
if (ret == 0) {
iomap->type = IOMAP_HOLE;
- iomap->blkno = IOMAP_NULL_BLOCK;
+ iomap->addr = IOMAP_NULL_ADDR;
iomap->length = 1 << blkbits;
} else {
iomap->type = IOMAP_MAPPED;
- iomap->blkno = (sector_t)bno << (blkbits - 9);
+ iomap->addr = (u64)bno << blkbits;
iomap->length = (u64)ret << blkbits;
iomap->flags |= IOMAP_F_MERGED;
}
diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c
index 087f122cca42..0367c0039e68 100644
--- a/fs/ext2/ioctl.c
+++ b/fs/ext2/ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/fs/ext2/ioctl.c
*
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index 814e405a2da6..e078075dc66f 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/fs/ext2/namei.c
*
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 1458706bd2ec..e2b6be03e69b 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -479,10 +479,10 @@ static const match_table_t tokens = {
{Opt_err, NULL}
};
-static int parse_options(char *options, struct super_block *sb)
+static int parse_options(char *options, struct super_block *sb,
+ struct ext2_mount_options *opts)
{
char *p;
- struct ext2_sb_info *sbi = EXT2_SB(sb);
substring_t args[MAX_OPT_ARGS];
int option;
kuid_t uid;
@@ -499,16 +499,16 @@ static int parse_options(char *options, struct super_block *sb)
token = match_token(p, tokens, args);
switch (token) {
case Opt_bsd_df:
- clear_opt (sbi->s_mount_opt, MINIX_DF);
+ clear_opt (opts->s_mount_opt, MINIX_DF);
break;
case Opt_minix_df:
- set_opt (sbi->s_mount_opt, MINIX_DF);
+ set_opt (opts->s_mount_opt, MINIX_DF);
break;
case Opt_grpid:
- set_opt (sbi->s_mount_opt, GRPID);
+ set_opt (opts->s_mount_opt, GRPID);
break;
case Opt_nogrpid:
- clear_opt (sbi->s_mount_opt, GRPID);
+ clear_opt (opts->s_mount_opt, GRPID);
break;
case Opt_resuid:
if (match_int(&args[0], &option))
@@ -519,7 +519,7 @@ static int parse_options(char *options, struct super_block *sb)
return 0;
}
- sbi->s_resuid = uid;
+ opts->s_resuid = uid;
break;
case Opt_resgid:
if (match_int(&args[0], &option))
@@ -529,51 +529,51 @@ static int parse_options(char *options, struct super_block *sb)
ext2_msg(sb, KERN_ERR, "Invalid gid value %d", option);
return 0;
}
- sbi->s_resgid = gid;
+ opts->s_resgid = gid;
break;
case Opt_sb:
/* handled by get_sb_block() instead of here */
/* *sb_block = match_int(&args[0]); */
break;
case Opt_err_panic:
- clear_opt (sbi->s_mount_opt, ERRORS_CONT);
- clear_opt (sbi->s_mount_opt, ERRORS_RO);
- set_opt (sbi->s_mount_opt, ERRORS_PANIC);
+ clear_opt (opts->s_mount_opt, ERRORS_CONT);
+ clear_opt (opts->s_mount_opt, ERRORS_RO);
+ set_opt (opts->s_mount_opt, ERRORS_PANIC);
break;
case Opt_err_ro:
- clear_opt (sbi->s_mount_opt, ERRORS_CONT);
- clear_opt (sbi->s_mount_opt, ERRORS_PANIC);
- set_opt (sbi->s_mount_opt, ERRORS_RO);
+ clear_opt (opts->s_mount_opt, ERRORS_CONT);
+ clear_opt (opts->s_mount_opt, ERRORS_PANIC);
+ set_opt (opts->s_mount_opt, ERRORS_RO);
break;
case Opt_err_cont:
- clear_opt (sbi->s_mount_opt, ERRORS_RO);
- clear_opt (sbi->s_mount_opt, ERRORS_PANIC);
- set_opt (sbi->s_mount_opt, ERRORS_CONT);
+ clear_opt (opts->s_mount_opt, ERRORS_RO);
+ clear_opt (opts->s_mount_opt, ERRORS_PANIC);
+ set_opt (opts->s_mount_opt, ERRORS_CONT);
break;
case Opt_nouid32:
- set_opt (sbi->s_mount_opt, NO_UID32);
+ set_opt (opts->s_mount_opt, NO_UID32);
break;
case Opt_nocheck:
- clear_opt (sbi->s_mount_opt, CHECK);
+ clear_opt (opts->s_mount_opt, CHECK);
break;
case Opt_debug:
- set_opt (sbi->s_mount_opt, DEBUG);
+ set_opt (opts->s_mount_opt, DEBUG);
break;
case Opt_oldalloc:
- set_opt (sbi->s_mount_opt, OLDALLOC);
+ set_opt (opts->s_mount_opt, OLDALLOC);
break;
case Opt_orlov:
- clear_opt (sbi->s_mount_opt, OLDALLOC);
+ clear_opt (opts->s_mount_opt, OLDALLOC);
break;
case Opt_nobh:
- set_opt (sbi->s_mount_opt, NOBH);
+ set_opt (opts->s_mount_opt, NOBH);
break;
#ifdef CONFIG_EXT2_FS_XATTR
case Opt_user_xattr:
- set_opt (sbi->s_mount_opt, XATTR_USER);
+ set_opt (opts->s_mount_opt, XATTR_USER);
break;
case Opt_nouser_xattr:
- clear_opt (sbi->s_mount_opt, XATTR_USER);
+ clear_opt (opts->s_mount_opt, XATTR_USER);
break;
#else
case Opt_user_xattr:
@@ -584,10 +584,10 @@ static int parse_options(char *options, struct super_block *sb)
#endif
#ifdef CONFIG_EXT2_FS_POSIX_ACL
case Opt_acl:
- set_opt(sbi->s_mount_opt, POSIX_ACL);
+ set_opt(opts->s_mount_opt, POSIX_ACL);
break;
case Opt_noacl:
- clear_opt(sbi->s_mount_opt, POSIX_ACL);
+ clear_opt(opts->s_mount_opt, POSIX_ACL);
break;
#else
case Opt_acl:
@@ -598,13 +598,13 @@ static int parse_options(char *options, struct super_block *sb)
#endif
case Opt_xip:
ext2_msg(sb, KERN_INFO, "use dax instead of xip");
- set_opt(sbi->s_mount_opt, XIP);
+ set_opt(opts->s_mount_opt, XIP);
/* Fall through */
case Opt_dax:
#ifdef CONFIG_FS_DAX
ext2_msg(sb, KERN_WARNING,
"DAX enabled. Warning: EXPERIMENTAL, use at your own risk");
- set_opt(sbi->s_mount_opt, DAX);
+ set_opt(opts->s_mount_opt, DAX);
#else
ext2_msg(sb, KERN_INFO, "dax option not supported");
#endif
@@ -613,11 +613,11 @@ static int parse_options(char *options, struct super_block *sb)
#if defined(CONFIG_QUOTA)
case Opt_quota:
case Opt_usrquota:
- set_opt(sbi->s_mount_opt, USRQUOTA);
+ set_opt(opts->s_mount_opt, USRQUOTA);
break;
case Opt_grpquota:
- set_opt(sbi->s_mount_opt, GRPQUOTA);
+ set_opt(opts->s_mount_opt, GRPQUOTA);
break;
#else
case Opt_quota:
@@ -629,11 +629,11 @@ static int parse_options(char *options, struct super_block *sb)
#endif
case Opt_reservation:
- set_opt(sbi->s_mount_opt, RESERVATION);
+ set_opt(opts->s_mount_opt, RESERVATION);
ext2_msg(sb, KERN_INFO, "reservations ON");
break;
case Opt_noreservation:
- clear_opt(sbi->s_mount_opt, RESERVATION);
+ clear_opt(opts->s_mount_opt, RESERVATION);
ext2_msg(sb, KERN_INFO, "reservations OFF");
break;
case Opt_ignore:
@@ -830,6 +830,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
int i, j;
__le32 features;
int err;
+ struct ext2_mount_options opts;
err = -ENOMEM;
sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
@@ -890,35 +891,39 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
/* Set defaults before we parse the mount options */
def_mount_opts = le32_to_cpu(es->s_default_mount_opts);
if (def_mount_opts & EXT2_DEFM_DEBUG)
- set_opt(sbi->s_mount_opt, DEBUG);
+ set_opt(opts.s_mount_opt, DEBUG);
if (def_mount_opts & EXT2_DEFM_BSDGROUPS)
- set_opt(sbi->s_mount_opt, GRPID);
+ set_opt(opts.s_mount_opt, GRPID);
if (def_mount_opts & EXT2_DEFM_UID16)
- set_opt(sbi->s_mount_opt, NO_UID32);
+ set_opt(opts.s_mount_opt, NO_UID32);
#ifdef CONFIG_EXT2_FS_XATTR
if (def_mount_opts & EXT2_DEFM_XATTR_USER)
- set_opt(sbi->s_mount_opt, XATTR_USER);
+ set_opt(opts.s_mount_opt, XATTR_USER);
#endif
#ifdef CONFIG_EXT2_FS_POSIX_ACL
if (def_mount_opts & EXT2_DEFM_ACL)
- set_opt(sbi->s_mount_opt, POSIX_ACL);
+ set_opt(opts.s_mount_opt, POSIX_ACL);
#endif
if (le16_to_cpu(sbi->s_es->s_errors) == EXT2_ERRORS_PANIC)
- set_opt(sbi->s_mount_opt, ERRORS_PANIC);
+ set_opt(opts.s_mount_opt, ERRORS_PANIC);
else if (le16_to_cpu(sbi->s_es->s_errors) == EXT2_ERRORS_CONTINUE)
- set_opt(sbi->s_mount_opt, ERRORS_CONT);
+ set_opt(opts.s_mount_opt, ERRORS_CONT);
else
- set_opt(sbi->s_mount_opt, ERRORS_RO);
+ set_opt(opts.s_mount_opt, ERRORS_RO);
- sbi->s_resuid = make_kuid(&init_user_ns, le16_to_cpu(es->s_def_resuid));
- sbi->s_resgid = make_kgid(&init_user_ns, le16_to_cpu(es->s_def_resgid));
+ opts.s_resuid = make_kuid(&init_user_ns, le16_to_cpu(es->s_def_resuid));
+ opts.s_resgid = make_kgid(&init_user_ns, le16_to_cpu(es->s_def_resgid));
- set_opt(sbi->s_mount_opt, RESERVATION);
+ set_opt(opts.s_mount_opt, RESERVATION);
- if (!parse_options((char *) data, sb))
+ if (!parse_options((char *) data, sb, &opts))
goto failed_mount;
+ sbi->s_mount_opt = opts.s_mount_opt;
+ sbi->s_resuid = opts.s_resuid;
+ sbi->s_resgid = opts.s_resgid;
+
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
((EXT2_SB(sb)->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ?
MS_POSIXACL : 0);
@@ -1312,46 +1317,36 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
{
struct ext2_sb_info * sbi = EXT2_SB(sb);
struct ext2_super_block * es;
- struct ext2_mount_options old_opts;
- unsigned long old_sb_flags;
+ struct ext2_mount_options new_opts;
int err;
sync_filesystem(sb);
- spin_lock(&sbi->s_lock);
- /* Store the old options */
- old_sb_flags = sb->s_flags;
- old_opts.s_mount_opt = sbi->s_mount_opt;
- old_opts.s_resuid = sbi->s_resuid;
- old_opts.s_resgid = sbi->s_resgid;
+ spin_lock(&sbi->s_lock);
+ new_opts.s_mount_opt = sbi->s_mount_opt;
+ new_opts.s_resuid = sbi->s_resuid;
+ new_opts.s_resgid = sbi->s_resgid;
+ spin_unlock(&sbi->s_lock);
/*
* Allow the "check" option to be passed as a remount option.
*/
- if (!parse_options(data, sb)) {
- err = -EINVAL;
- goto restore_opts;
- }
-
- sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
- ((sbi->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
+ if (!parse_options(data, sb, &new_opts))
+ return -EINVAL;
+ spin_lock(&sbi->s_lock);
es = sbi->s_es;
- if ((sbi->s_mount_opt ^ old_opts.s_mount_opt) & EXT2_MOUNT_DAX) {
+ if ((sbi->s_mount_opt ^ new_opts.s_mount_opt) & EXT2_MOUNT_DAX) {
ext2_msg(sb, KERN_WARNING, "warning: refusing change of "
"dax flag with busy inodes while remounting");
- sbi->s_mount_opt ^= EXT2_MOUNT_DAX;
- }
- if ((bool)(*flags & MS_RDONLY) == sb_rdonly(sb)) {
- spin_unlock(&sbi->s_lock);
- return 0;
+ new_opts.s_mount_opt ^= EXT2_MOUNT_DAX;
}
+ if ((bool)(*flags & MS_RDONLY) == sb_rdonly(sb))
+ goto out_set;
if (*flags & MS_RDONLY) {
if (le16_to_cpu(es->s_state) & EXT2_VALID_FS ||
- !(sbi->s_mount_state & EXT2_VALID_FS)) {
- spin_unlock(&sbi->s_lock);
- return 0;
- }
+ !(sbi->s_mount_state & EXT2_VALID_FS))
+ goto out_set;
/*
* OK, we are remounting a valid rw partition rdonly, so set
@@ -1362,22 +1357,20 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
spin_unlock(&sbi->s_lock);
err = dquot_suspend(sb, -1);
- if (err < 0) {
- spin_lock(&sbi->s_lock);
- goto restore_opts;
- }
+ if (err < 0)
+ return err;
ext2_sync_super(sb, es, 1);
} else {
__le32 ret = EXT2_HAS_RO_COMPAT_FEATURE(sb,
~EXT2_FEATURE_RO_COMPAT_SUPP);
if (ret) {
+ spin_unlock(&sbi->s_lock);
ext2_msg(sb, KERN_WARNING,
"warning: couldn't remount RDWR because of "
"unsupported optional features (%x).",
le32_to_cpu(ret));
- err = -EROFS;
- goto restore_opts;
+ return -EROFS;
}
/*
* Mounting a RDONLY partition read-write, so reread and
@@ -1394,14 +1387,16 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
dquot_resume(sb, -1);
}
- return 0;
-restore_opts:
- sbi->s_mount_opt = old_opts.s_mount_opt;
- sbi->s_resuid = old_opts.s_resuid;
- sbi->s_resgid = old_opts.s_resgid;
- sb->s_flags = old_sb_flags;
+ spin_lock(&sbi->s_lock);
+out_set:
+ sbi->s_mount_opt = new_opts.s_mount_opt;
+ sbi->s_resuid = new_opts.s_resuid;
+ sbi->s_resgid = new_opts.s_resgid;
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ ((sbi->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
spin_unlock(&sbi->s_lock);
- return err;
+
+ return 0;
}
static int ext2_statfs (struct dentry * dentry, struct kstatfs * buf)
diff --git a/fs/ext2/symlink.c b/fs/ext2/symlink.c
index eeffb0138a17..d5589ddcc281 100644
--- a/fs/ext2/symlink.c
+++ b/fs/ext2/symlink.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/fs/ext2/symlink.c
*
diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index 1b9b1268d418..62d9a659a8ff 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/fs/ext2/xattr.c
*
diff --git a/fs/ext2/xattr.h b/fs/ext2/xattr.h
index 6f82ab1b00ca..cee888cdc235 100644
--- a/fs/ext2/xattr.h
+++ b/fs/ext2/xattr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
File: linux/ext2_xattr.h
diff --git a/fs/ext2/xattr_security.c b/fs/ext2/xattr_security.c
index 7b9e9c1842d5..9a682e440acb 100644
--- a/fs/ext2/xattr_security.c
+++ b/fs/ext2/xattr_security.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/fs/ext2/xattr_security.c
* Handler for storing security labels as extended attributes.
diff --git a/fs/ext2/xattr_trusted.c b/fs/ext2/xattr_trusted.c
index 65049b71af13..49add1107850 100644
--- a/fs/ext2/xattr_trusted.c
+++ b/fs/ext2/xattr_trusted.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/fs/ext2/xattr_trusted.c
* Handler for trusted extended attributes.
diff --git a/fs/ext2/xattr_user.c b/fs/ext2/xattr_user.c
index fb2f992ae763..c243a3b4d69d 100644
--- a/fs/ext2/xattr_user.c
+++ b/fs/ext2/xattr_user.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/fs/ext2/xattr_user.c
* Handler for extended user attributes.
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.