| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <47146AAD.3010801@linux.vnet.ibm.com>
Date: Tue, 16 Oct 2007 13:09:25 +0530
From: "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
To: Andreas Dilger <adilger@...sterfs.com>,
linux-ext4 <linux-ext4@...r.kernel.org>
Subject: [PATCH] i_dir_acl related cleanup
I am wondering whether we can use i_size_high without looking at
file mode (why restrict only to regular files ? )
-aneesh
>From a5796eb4af173d2a0a9b8f0f80a8af12bf3e2695 Mon Sep 17 00:00:00 2001
From: Aneesh Kumar K.V <aneesh.kumar@...ux.vnet.ibm.com>
Date: Tue, 16 Oct 2007 12:25:18 +0530
Subject: [PATCH] ext4: code cleanup
rename ext4_inode.i_dir_acl to i_size_high
drop ext4_inode_info.i_dir_acl as it is not used
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@...ux.vnet.ibm.com>
---
fs/ext4/ialloc.c | 1 -
fs/ext4/inode.c | 12 ++++--------
include/linux/ext4_fs.h | 5 ++---
include/linux/ext4_fs_i.h | 1 -
4 files changed, 6 insertions(+), 13 deletions(-)
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 922c64d..f8d41b1 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -711,7 +711,6 @@ got:
if (!S_ISDIR(mode))
ei->i_flags &= ~EXT4_DIRSYNC_FL;
ei->i_file_acl = 0;
- ei->i_dir_acl = 0;
ei->i_dtime = 0;
ei->i_block_alloc_info = NULL;
ei->i_block_group = group;
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index f5f64ff..1da3477 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2735,7 +2735,7 @@ void ext4_read_inode(struct inode * inode)
inode->i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
}
inode->i_nlink = le16_to_cpu(raw_inode->i_links_count);
- inode->i_size = le32_to_cpu(raw_inode->i_size);
+ inode->i_size = le32_to_cpu(raw_inode->i_size_lo);
ei->i_state = 0;
ei->i_dir_start_lookup = 0;
@@ -2764,9 +2764,7 @@ void ext4_read_inode(struct inode * inode)
cpu_to_le32(EXT4_OS_HURD))
ei->i_file_acl |=
((__u64)le16_to_cpu(raw_inode->i_file_acl_high)) << 32;
- if (!S_ISREG(inode->i_mode)) {
- ei->i_dir_acl = le32_to_cpu(raw_inode->i_dir_acl);
- } else {
+ if (S_ISREG(inode->i_mode)) {
inode->i_size |=
((__u64)le32_to_cpu(raw_inode->i_size_high)) << 32;
}
@@ -2900,7 +2898,7 @@ static int ext4_do_update_inode(handle_t *handle,
raw_inode->i_gid_high = 0;
}
raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
- raw_inode->i_size = cpu_to_le32(ei->i_disksize);
+ raw_inode->i_size_lo = cpu_to_le32(ei->i_disksize);
EXT4_INODE_SET_XTIME(i_ctime, inode, raw_inode);
EXT4_INODE_SET_XTIME(i_mtime, inode, raw_inode);
@@ -2915,9 +2913,7 @@ static int ext4_do_update_inode(handle_t *handle,
raw_inode->i_file_acl_high =
cpu_to_le16(ei->i_file_acl >> 32);
raw_inode->i_file_acl_lo = cpu_to_le32(ei->i_file_acl);
- if (!S_ISREG(inode->i_mode)) {
- raw_inode->i_dir_acl = cpu_to_le32(ei->i_dir_acl);
- } else {
+ if (S_ISREG(inode->i_mode)) {
raw_inode->i_size_high =
cpu_to_le32(ei->i_disksize >> 32);
if (ei->i_disksize > 0x7fffffffULL) {
diff --git a/include/linux/ext4_fs.h b/include/linux/ext4_fs.h
index d7f15a4..bacafd9 100644
--- a/include/linux/ext4_fs.h
+++ b/include/linux/ext4_fs.h
@@ -303,7 +303,7 @@ struct ext4_mount_options {
struct ext4_inode {
__le16 i_mode; /* File mode */
__le16 i_uid; /* Low 16 bits of Owner Uid */
- __le32 i_size; /* Size in bytes */
+ __le32 i_size_lo; /* Size in bytes */
__le32 i_atime; /* Access time */
__le32 i_ctime; /* Inode Change time */
__le32 i_mtime; /* Modification time */
@@ -326,7 +326,7 @@ struct ext4_inode {
__le32 i_block[EXT4_N_BLOCKS];/* Pointers to blocks */
__le32 i_generation; /* File version (for NFS) */
__le32 i_file_acl_lo; /* File ACL */
- __le32 i_dir_acl; /* Directory ACL */
+ __le32 i_size_high;
__le32 i_obso_faddr; /* Obsoleted fragment address */
union {
struct {
@@ -359,7 +359,6 @@ struct ext4_inode {
__le32 i_version_hi; /* high 32 bits for 64-bit version */
};
-#define i_size_high i_dir_acl
#define EXT4_EPOCH_BITS 2
#define EXT4_EPOCH_MASK ((1 << EXT4_EPOCH_BITS) - 1)
diff --git a/include/linux/ext4_fs_i.h b/include/linux/ext4_fs_i.h
index 94baea0..16249b9 100644
--- a/include/linux/ext4_fs_i.h
+++ b/include/linux/ext4_fs_i.h
@@ -85,7 +85,6 @@ struct ext4_inode_info {
__le32 i_data[15]; /* unconverted */
__u32 i_flags;
ext4_fsblk_t i_file_acl;
- __u32 i_dir_acl;
__u32 i_dtime;
/*
--
1.5.3.4.206.g58ba4-dirty
-
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists