+++ /dev/null
-Index: linux-2.6.16.27-0.9/fs/ext3/ialloc.c
-===================================================================
---- linux-2.6.16.27-0.9.orig/fs/ext3/ialloc.c
-+++ linux-2.6.16.27-0.9/fs/ext3/ialloc.c
-@@ -577,7 +577,8 @@ got:
- /* This is the optimal IO size (for stat), not the fs block size */
- inode->i_blksize = PAGE_SIZE;
- inode->i_blocks = 0;
-- inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
-+ inode->i_mtime = inode->i_atime = inode->i_ctime = ei->i_crtime =
-+ ext3_current_time(inode);
-
- memset(ei->i_data, 0, sizeof(ei->i_data));
- ei->i_dir_start_lookup = 0;
-@@ -609,9 +610,8 @@ got:
- spin_unlock(&sbi->s_next_gen_lock);
-
- ei->i_state = EXT3_STATE_NEW;
-- ei->i_extra_isize =
-- (EXT3_INODE_SIZE(inode->i_sb) > EXT3_GOOD_OLD_INODE_SIZE) ?
-- sizeof(struct ext3_inode) - EXT3_GOOD_OLD_INODE_SIZE : 0;
-+
-+ ei->i_extra_isize = EXT3_SB(sb)->s_want_extra_isize;
-
- ret = inode;
- if(DQUOT_ALLOC_INODE(inode)) {
-Index: linux-2.6.16.27-0.9/fs/ext3/inode.c
-===================================================================
---- linux-2.6.16.27-0.9.orig/fs/ext3/inode.c
-+++ linux-2.6.16.27-0.9/fs/ext3/inode.c
-@@ -620,7 +620,7 @@ static int ext3_splice_branch(handle_t *
-
- /* We are done with atomic stuff, now do the rest of housekeeping */
-
-- inode->i_ctime = CURRENT_TIME_SEC;
-+ inode->i_ctime = ext3_current_time(inode);
- ext3_mark_inode_dirty(handle, inode);
-
- /* had we spliced it onto indirect block? */
-@@ -2244,7 +2244,7 @@ do_indirects:
- ext3_discard_reservation(inode);
-
- up(&ei->truncate_sem);
-- inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC;
-+ inode->i_mtime = inode->i_ctime = ext3_current_time(inode);
- ext3_mark_inode_dirty(handle, inode);
-
- /* In a multi-transaction truncate, we only make the final
-@@ -2479,10 +2479,6 @@ void ext3_read_inode(struct inode * inod
- }
- inode->i_nlink = le16_to_cpu(raw_inode->i_links_count);
- inode->i_size = le32_to_cpu(raw_inode->i_size);
-- inode->i_atime.tv_sec = le32_to_cpu(raw_inode->i_atime);
-- inode->i_ctime.tv_sec = le32_to_cpu(raw_inode->i_ctime);
-- inode->i_mtime.tv_sec = le32_to_cpu(raw_inode->i_mtime);
-- inode->i_atime.tv_nsec = inode->i_ctime.tv_nsec = inode->i_mtime.tv_nsec = 0;
-
- ei->i_state = 0;
- ei->i_dir_start_lookup = 0;
-@@ -2557,6 +2553,11 @@ void ext3_read_inode(struct inode * inod
- } else
- ei->i_extra_isize = 0;
-
-+ EXT3_INODE_GET_XTIME(i_ctime, inode, raw_inode);
-+ EXT3_INODE_GET_XTIME(i_mtime, inode, raw_inode);
-+ EXT3_INODE_GET_XTIME(i_atime, inode, raw_inode);
-+ EXT3_EINODE_GET_XTIME(i_crtime, ei, raw_inode);
-+
- if (S_ISREG(inode->i_mode)) {
- inode->i_op = &ext3_file_inode_operations;
- inode->i_fop = &ext3_file_operations;
-@@ -2637,9 +2638,12 @@ static int ext3_do_update_inode(handle_t
- }
- raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
- raw_inode->i_size = cpu_to_le32(ei->i_disksize);
-- raw_inode->i_atime = cpu_to_le32(inode->i_atime.tv_sec);
-- raw_inode->i_ctime = cpu_to_le32(inode->i_ctime.tv_sec);
-- raw_inode->i_mtime = cpu_to_le32(inode->i_mtime.tv_sec);
-+
-+ EXT3_INODE_SET_XTIME(i_ctime, inode, raw_inode);
-+ EXT3_INODE_SET_XTIME(i_mtime, inode, raw_inode);
-+ EXT3_INODE_SET_XTIME(i_atime, inode, raw_inode);
-+ EXT3_EINODE_SET_XTIME(i_crtime, ei, raw_inode);
-+
- raw_inode->i_blocks = cpu_to_le32(inode->i_blocks);
- raw_inode->i_dtime = cpu_to_le32(ei->i_dtime);
- raw_inode->i_flags = cpu_to_le32(ei->i_flags);
-Index: linux-2.6.16.27-0.9/fs/ext3/ioctl.c
-===================================================================
---- linux-2.6.16.27-0.9.orig/fs/ext3/ioctl.c
-+++ linux-2.6.16.27-0.9/fs/ext3/ioctl.c
-@@ -88,7 +88,7 @@ int ext3_ioctl (struct inode * inode, st
- ei->i_flags = flags;
-
- ext3_set_inode_flags(inode);
-- inode->i_ctime = CURRENT_TIME_SEC;
-+ inode->i_ctime = ext3_current_time(inode);
-
- err = ext3_mark_iloc_dirty(handle, inode, &iloc);
- flags_err:
-@@ -126,7 +126,7 @@ flags_err:
- return PTR_ERR(handle);
- err = ext3_reserve_inode_write(handle, inode, &iloc);
- if (err == 0) {
-- inode->i_ctime = CURRENT_TIME_SEC;
-+ inode->i_ctime = ext3_current_time(inode);
- inode->i_generation = generation;
- err = ext3_mark_iloc_dirty(handle, inode, &iloc);
- }
-Index: linux-2.6.16.27-0.9/fs/ext3/namei.c
-===================================================================
---- linux-2.6.16.27-0.9.orig/fs/ext3/namei.c
-+++ linux-2.6.16.27-0.9/fs/ext3/namei.c
-@@ -1276,7 +1276,7 @@ static int add_dirent_to_buf(handle_t *h
- * happen is that the times are slightly out of date
- * and/or different from the directory change time.
- */
-- dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC;
-+ dir->i_mtime = dir->i_ctime = ext3_current_time(dir);
- ext3_update_dx_flag(dir);
- dir->i_version++;
- ext3_mark_inode_dirty(handle, dir);
-@@ -2056,7 +2056,7 @@ static int ext3_rmdir (struct inode * di
- inode->i_version++;
- inode->i_nlink = 0;
- ext3_orphan_add(handle, inode);
-- inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME_SEC;
-+ inode->i_ctime = dir->i_ctime = dir->i_mtime = ext3_current_time(inode);
- ext3_mark_inode_dirty(handle, inode);
- ext3_dec_count(handle, dir);
- ext3_update_dx_flag(dir);
-@@ -2106,13 +2106,13 @@ static int ext3_unlink(struct inode * di
- retval = ext3_delete_entry(handle, dir, de, bh);
- if (retval)
- goto end_unlink;
-- dir->i_ctime = dir->i_mtime = CURRENT_TIME_SEC;
-+ dir->i_ctime = dir->i_mtime = ext3_current_time(dir);
- ext3_update_dx_flag(dir);
- ext3_mark_inode_dirty(handle, dir);
- ext3_dec_count(handle, inode);
- if (!inode->i_nlink)
- ext3_orphan_add(handle, inode);
-- inode->i_ctime = dir->i_ctime;
-+ inode->i_ctime = ext3_current_time(inode);
- ext3_mark_inode_dirty(handle, inode);
- retval = 0;
-
-@@ -2214,7 +2214,7 @@ retry:
- if (IS_DIRSYNC(dir))
- handle->h_sync = 1;
-
-- inode->i_ctime = CURRENT_TIME_SEC;
-+ inode->i_ctime = ext3_current_time(inode);
- ext3_inc_count(handle, inode);
- atomic_inc(&inode->i_count);
-
-@@ -2317,7 +2317,7 @@ static int ext3_rename (struct inode * o
- * Like most other Unix systems, set the ctime for inodes on a
- * rename.
- */
-- old_inode->i_ctime = CURRENT_TIME_SEC;
-+ old_inode->i_ctime = ext3_current_time(old_inode);
- ext3_mark_inode_dirty(handle, old_inode);
-
- /*
-@@ -2350,9 +2350,9 @@ static int ext3_rename (struct inode * o
-
- if (new_inode) {
- ext3_dec_count(handle, new_inode);
-- new_inode->i_ctime = CURRENT_TIME_SEC;
-+ new_inode->i_ctime = ext3_current_time(new_inode);
- }
-- old_dir->i_ctime = old_dir->i_mtime = CURRENT_TIME_SEC;
-+ old_dir->i_ctime = old_dir->i_mtime = ext3_current_time(old_dir);
- ext3_update_dx_flag(old_dir);
- if (dir_bh) {
- BUFFER_TRACE(dir_bh, "get_write_access");
-Index: linux-2.6.16.27-0.9/fs/ext3/super.c
-===================================================================
---- linux-2.6.16.27-0.9.orig/fs/ext3/super.c
-+++ linux-2.6.16.27-0.9/fs/ext3/super.c
-@@ -1614,6 +1614,8 @@ static int ext3_fill_super (struct super
- sbi->s_inode_size);
- goto failed_mount;
- }
-+ if (sbi->s_inode_size > EXT3_GOOD_OLD_INODE_SIZE)
-+ sb->s_time_gran = 1 << (EXT3_EPOCH_BITS - 2);
- }
- sbi->s_frag_size = EXT3_MIN_FRAG_SIZE <<
- le32_to_cpu(es->s_log_frag_size);
-@@ -1809,6 +1811,32 @@ static int ext3_fill_super (struct super
- }
-
- ext3_setup_super (sb, es, sb->s_flags & MS_RDONLY);
-+
-+ /* determine the minimum size of new large inodes, if present */
-+ if (sbi->s_inode_size > EXT3_GOOD_OLD_INODE_SIZE) {
-+ sbi->s_want_extra_isize = sizeof(struct ext3_inode) -
-+ EXT3_GOOD_OLD_INODE_SIZE;
-+ if (EXT3_HAS_RO_COMPAT_FEATURE(sb,
-+ EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE)) {
-+ if (sbi->s_want_extra_isize <
-+ le16_to_cpu(es->s_want_extra_isize))
-+ sbi->s_want_extra_isize =
-+ le16_to_cpu(es->s_want_extra_isize);
-+ if (sbi->s_want_extra_isize <
-+ le16_to_cpu(es->s_min_extra_isize))
-+ sbi->s_want_extra_isize =
-+ le16_to_cpu(es->s_min_extra_isize);
-+ }
-+ }
-+ /* Check if enough inode space is available */
-+ if (EXT3_GOOD_OLD_INODE_SIZE + sbi->s_want_extra_isize >
-+ sbi->s_inode_size) {
-+ sbi->s_want_extra_isize = sizeof(struct ext3_inode) -
-+ EXT3_GOOD_OLD_INODE_SIZE;
-+ printk(KERN_INFO "EXT3-fs: required extra inode space not"
-+ "available.\n");
-+ }
-+
- /*
- * akpm: core read_super() calls in here with the superblock locked.
- * That deadlocks, because orphan cleanup needs to lock the superblock
-Index: linux-2.6.16.27-0.9/fs/ext3/xattr.c
-===================================================================
---- linux-2.6.16.27-0.9.orig/fs/ext3/xattr.c
-+++ linux-2.6.16.27-0.9/fs/ext3/xattr.c
-@@ -1006,8 +1006,8 @@ ext3_xattr_set_handle(handle_t *handle,
- }
- if (!error) {
- ext3_xattr_update_super_block(handle, inode->i_sb);
-- inode->i_ctime = CURRENT_TIME_SEC;
-- error = ext3_mark_iloc_dirty(handle, inode, &is.iloc);
-+ inode->i_ctime = ext3_current_time(inode);
-+ ext3_mark_inode_dirty(handle, inode);
- /*
- * The bh is consumed by ext3_mark_iloc_dirty, even with
- * error != 0.
-Index: linux-2.6.16.27-0.9/include/linux/ext3_fs.h
-===================================================================
---- linux-2.6.16.27-0.9.orig/include/linux/ext3_fs.h
-+++ linux-2.6.16.27-0.9/include/linux/ext3_fs.h
-@@ -272,7 +272,7 @@ struct ext3_inode {
- __le16 i_uid; /* Low 16 bits of Owner Uid */
- __le32 i_size; /* Size in bytes */
- __le32 i_atime; /* Access time */
-- __le32 i_ctime; /* Creation time */
-+ __le32 i_ctime; /* Inode Change time */
- __le32 i_mtime; /* Modification time */
- __le32 i_dtime; /* Deletion Time */
- __le16 i_gid; /* Low 16 bits of Group Id */
-@@ -321,10 +321,73 @@ struct ext3_inode {
- } osd2; /* OS dependent 2 */
- __le16 i_extra_isize;
- __le16 i_pad1;
-+ __le32 i_ctime_extra; /* extra Change time (nsec << 2 | epoch) */
-+ __le32 i_mtime_extra; /* extra Modification time(nsec << 2 | epoch) */
-+ __le32 i_atime_extra; /* extra Access time (nsec << 2 | epoch) */
-+ __le32 i_crtime; /* File Creation time */
-+ __le32 i_crtime_extra; /* extra File Creation time (nsec << 2 | epoch) */
- };
-
- #define i_size_high i_dir_acl
-
-+#define EXT3_EPOCH_BITS 2
-+#define EXT3_EPOCH_MASK ((1 << EXT3_EPOCH_BITS) - 1)
-+#define EXT3_NSEC_MASK (~0UL << EXT3_EPOCH_BITS)
-+
-+#define EXT3_FITS_IN_INODE(ext3_inode, einode, field) \
-+ ((offsetof(typeof(*ext3_inode), field) + \
-+ sizeof((ext3_inode)->field)) \
-+ <= (EXT3_GOOD_OLD_INODE_SIZE + \
-+ (einode)->i_extra_isize)) \
-+
-+static inline __le32 ext3_encode_extra_time(struct timespec *time)
-+{
-+ return cpu_to_le32((sizeof(time->tv_sec) > 4 ?
-+ time->tv_sec >> 32 : 0) |
-+ ((time->tv_nsec << 2) & EXT3_NSEC_MASK));
-+}
-+
-+static inline void ext3_decode_extra_time(struct timespec *time, __le32 extra) {
-+ if (sizeof(time->tv_sec) > 4)
-+ time->tv_sec |= (__u64)(le32_to_cpu(extra) & EXT3_EPOCH_MASK)
-+ << 32;
-+ time->tv_nsec = (le32_to_cpu(extra) & EXT3_NSEC_MASK) >> 2;
-+}
-+
-+#define EXT3_INODE_SET_XTIME(xtime, inode, raw_inode) \
-+do { \
-+ (raw_inode)->xtime = cpu_to_le32((inode)->xtime.tv_sec); \
-+ if (EXT3_FITS_IN_INODE(raw_inode, EXT3_I(inode), xtime ## _extra)) \
-+ (raw_inode)->xtime ## _extra = \
-+ ext3_encode_extra_time(&(inode)->xtime); \
-+} while (0)
-+
-+#define EXT3_EINODE_SET_XTIME(xtime, einode, raw_inode) \
-+do { \
-+ if (EXT3_FITS_IN_INODE(raw_inode, einode, xtime)) \
-+ (raw_inode)->xtime = cpu_to_le32((einode)->xtime.tv_sec); \
-+ if (EXT3_FITS_IN_INODE(raw_inode, einode, xtime ## _extra)) \
-+ (raw_inode)->xtime ## _extra = \
-+ ext3_encode_extra_time(&(einode)->xtime); \
-+} while (0)
-+
-+#define EXT3_INODE_GET_XTIME(xtime, inode, raw_inode) \
-+do { \
-+ (inode)->xtime.tv_sec = le32_to_cpu((raw_inode)->xtime); \
-+ if (EXT3_FITS_IN_INODE(raw_inode, EXT3_I(inode), xtime ## _extra))\
-+ ext3_decode_extra_time(&(inode)->xtime, \
-+ raw_inode->xtime ## _extra); \
-+} while (0)
-+
-+#define EXT3_EINODE_GET_XTIME(xtime, einode, raw_inode) \
-+do { \
-+ if (EXT3_FITS_IN_INODE(raw_inode, einode, xtime)) \
-+ (einode)->xtime.tv_sec = le32_to_cpu((raw_inode)->xtime);\
-+ if (EXT3_FITS_IN_INODE(raw_inode, einode, xtime ## _extra)) \
-+ ext3_decode_extra_time(&(einode)->xtime, \
-+ raw_inode->xtime ## _extra); \
-+} while (0)
-+
- #if defined(__KERNEL__) || defined(__linux__)
- #define i_reserved1 osd1.linux1.l_i_reserved1
- #define i_frag osd2.linux2.l_i_frag
-@@ -504,11 +567,19 @@ struct ext3_super_block {
- __le32 s_last_orphan; /* start of list of inodes to delete */
- __le32 s_hash_seed[4]; /* HTREE hash seed */
- __u8 s_def_hash_version; /* Default hash version to use */
-- __u8 s_reserved_char_pad;
-- __u16 s_reserved_word_pad;
-+ __u8 s_jnl_backup_type; /* Default type of journal backup */
-+ __le16 s_desc_size; /* Group desc. size: INCOMPAT_64BIT */
- __le32 s_default_mount_opts;
-- __le32 s_first_meta_bg; /* First metablock block group */
-- __u32 s_reserved[190]; /* Padding to the end of the block */
-+ __le32 s_first_meta_bg; /* First metablock block group */
-+ __le32 s_mkfs_time; /* When the filesystem was created */
-+ __le32 s_jnl_blocks[17]; /* Backup of the journal inode */
-+ __le32 s_blocks_count_hi; /* Blocks count high 32 bits */
-+ __le32 s_r_blocks_count_hi; /* Reserved blocks count high 32 bits*/
-+ __le32 s_free_blocks_hi; /* Free blocks count high 32 bits */
-+ __le16 s_min_extra_isize; /* All inodes have at least # bytes */
-+ __le16 s_want_extra_isize; /* New inodes should reserve # bytes */
-+ __le32 s_flags; /* Miscellaneous flags */
-+ __u32 s_reserved[167]; /* Padding to the end of the block */
- };
-
- #ifdef __KERNEL__
-@@ -583,6 +648,8 @@ static inline struct ext3_inode_info *EX
- #define EXT3_FEATURE_RO_COMPAT_LARGE_FILE 0x0002
- #define EXT3_FEATURE_RO_COMPAT_BTREE_DIR 0x0004
- #define EXT4_FEATURE_RO_COMPAT_DIR_NLINK 0x0020
-+#define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE 0x0040
-+
-
- #define EXT3_FEATURE_INCOMPAT_COMPRESSION 0x0001
- #define EXT3_FEATURE_INCOMPAT_FILETYPE 0x0002
-@@ -599,6 +666,7 @@ static inline struct ext3_inode_info *EX
- #define EXT3_FEATURE_RO_COMPAT_SUPP (EXT3_FEATURE_RO_COMPAT_SPARSE_SUPER| \
- EXT3_FEATURE_RO_COMPAT_LARGE_FILE| \
- EXT4_FEATURE_RO_COMPAT_DIR_NLINK| \
-+ EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE| \
- EXT3_FEATURE_RO_COMPAT_BTREE_DIR)
-
- /*
-@@ -726,6 +794,12 @@ static inline struct ext3_inode *ext3_ra
- return (struct ext3_inode *) (iloc->bh->b_data + iloc->offset);
- }
-
-+static inline struct timespec ext3_current_time(struct inode *inode)
-+{
-+ return (inode->i_sb->s_time_gran < NSEC_PER_SEC) ?
-+ current_fs_time(inode->i_sb) : CURRENT_TIME_SEC;
-+}
-+
- /*
- * This structure is stuffed into the struct file's private_data field
- * for directories. It is where we put information so that we can do
-Index: linux-2.6.16.27-0.9/include/linux/ext3_fs_i.h
-===================================================================
---- linux-2.6.16.27-0.9.orig/include/linux/ext3_fs_i.h
-+++ linux-2.6.16.27-0.9/include/linux/ext3_fs_i.h
-@@ -135,6 +135,7 @@ struct ext3_inode_info {
- struct inode vfs_inode;
-
- __u32 i_cached_extent[4];
-+ struct timespec i_crtime;
-
- void *i_filterdata;
- };
-Index: linux-2.6.16.27-0.9/include/linux/ext3_fs_sb.h
-===================================================================
---- linux-2.6.16.27-0.9.orig/include/linux/ext3_fs_sb.h
-+++ linux-2.6.16.27-0.9/include/linux/ext3_fs_sb.h
-@@ -119,6 +119,8 @@ struct ext3_sb_info {
- spinlock_t s_bal_lock;
- unsigned long s_mb_buddies_generated;
- unsigned long long s_mb_generation_time;
-+
-+ unsigned int s_want_extra_isize; /* New inodes should reserve # bytes */
- };
-
- #define EXT3_GROUP_INFO(sb, group) \
git://git.whamcloud.com / fs / lustre-release.git / blobdiff