rpms/kernel/F-9 linux-2.6.27.14-ext4-patch-queue.patch, NONE, 1.1.2.1 kernel.spec, 1.891.2.17, 1.891.2.18
Chuck Ebbert
cebbert at fedoraproject.org
Fri Feb 6 22:14:49 UTC 2009
Author: cebbert
Update of /cvs/pkgs/rpms/kernel/F-9
In directory cvs1.fedora.phx.redhat.com:/tmp/cvs-serv5051
Modified Files:
Tag: private-fedora-9-2_6_27-branch
kernel.spec
Added Files:
Tag: private-fedora-9-2_6_27-branch
linux-2.6.27.14-ext4-patch-queue.patch
Log Message:
Add ext4 stable patch queue
linux-2.6.27.14-ext4-patch-queue.patch:
--- NEW FILE linux-2.6.27.14-ext4-patch-queue.patch ---
Rollup of ext4 patches for 2.6.27 from:
http://git.kernel.org/?p=linux/kernel/git/tytso/ext4.git;a=shortlog;h=for-stable-2.6.27
Index: linux-2.6.27.ext4/fs/ext4/ext4.h
===================================================================
--- linux-2.6.27.ext4.orig/fs/ext4/ext4.h
+++ linux-2.6.27.ext4/fs/ext4/ext4.h
@@ -19,6 +19,7 @@
#include <linux/types.h>
#include <linux/blkdev.h>
#include <linux/magic.h>
+#include <linux/jbd2.h>
#include "ext4_i.h"
/*
@@ -889,6 +890,9 @@ static inline __le16 ext4_rec_len_to_dis
#define DX_HASH_LEGACY 0
#define DX_HASH_HALF_MD4 1
#define DX_HASH_TEA 2
+#define DX_HASH_LEGACY_UNSIGNED 3
+#define DX_HASH_HALF_MD4_UNSIGNED 4
+#define DX_HASH_TEA_UNSIGNED 5
#ifdef __KERNEL__
@@ -989,8 +993,10 @@ extern ext4_fsblk_t ext4_has_free_blocks
extern void ext4_free_blocks (handle_t *handle, struct inode *inode,
ext4_fsblk_t block, unsigned long count, int metadata);
extern void ext4_free_blocks_sb (handle_t *handle, struct super_block *sb,
- ext4_fsblk_t block, unsigned long count,
- unsigned long *pdquot_freed_blocks);
+ ext4_fsblk_t block, unsigned long count,
+ unsigned long *pdquot_freed_blocks);
+extern void ext4_add_groupblocks(handle_t *handle, struct super_block *sb,
+ ext4_fsblk_t block, unsigned long count);
extern ext4_fsblk_t ext4_count_free_blocks (struct super_block *);
extern void ext4_check_blocks_bitmap (struct super_block *);
extern struct ext4_group_desc * ext4_get_group_desc(struct super_block * sb,
@@ -1038,12 +1044,13 @@ extern int __init init_ext4_mballoc(void
extern void exit_ext4_mballoc(void);
extern void ext4_mb_free_blocks(handle_t *, struct inode *,
unsigned long, unsigned long, int, unsigned long *);
-extern int ext4_mb_add_more_groupinfo(struct super_block *sb,
+extern int ext4_mb_add_groupinfo(struct super_block *sb,
ext4_group_t i, struct ext4_group_desc *desc);
extern void ext4_mb_update_group_info(struct ext4_group_info *grp,
ext4_grpblk_t add);
-
-
+extern int ext4_mb_get_buddy_cache_lock(struct super_block *, ext4_group_t);
+extern void ext4_mb_put_buddy_cache_lock(struct super_block *,
+ ext4_group_t, int);
/* inode.c */
int ext4_forget(handle_t *handle, int is_metadata, struct inode *inode,
struct buffer_head *bh, ext4_fsblk_t blocknr);
@@ -1167,8 +1174,11 @@ static inline void ext4_r_blocks_count_s
static inline loff_t ext4_isize(struct ext4_inode *raw_inode)
{
- return ((loff_t)le32_to_cpu(raw_inode->i_size_high) << 32) |
- le32_to_cpu(raw_inode->i_size_lo);
+ if (S_ISREG(le16_to_cpu(raw_inode->i_mode)))
+ return ((loff_t)le32_to_cpu(raw_inode->i_size_high) << 32) |
+ le32_to_cpu(raw_inode->i_size_lo);
+ else
+ return (loff_t) le32_to_cpu(raw_inode->i_size_lo);
}
static inline void ext4_isize_set(struct ext4_inode *raw_inode, loff_t i_size)
@@ -1244,6 +1254,23 @@ extern int ext4_get_blocks_wrap(handle_t
sector_t block, unsigned long max_blocks,
struct buffer_head *bh, int create,
int extend_disksize, int flag);
+/*
+ * Add new method to test wether block and inode bitmaps are properly
+ * initialized. With uninit_bg reading the block from disk is not enough
+ * to mark the bitmap uptodate. We need to also zero-out the bitmap
+ */
+#define BH_BITMAP_UPTODATE BH_JBDPrivateStart
+
+static inline int bitmap_uptodate(struct buffer_head *bh)
+{
+ return (buffer_uptodate(bh) &&
+ test_bit(BH_BITMAP_UPTODATE, &(bh)->b_state));
+}
+static inline void set_bitmap_uptodate(struct buffer_head *bh)
+{
+ set_bit(BH_BITMAP_UPTODATE, &(bh)->b_state);
+}
+
#endif /* __KERNEL__ */
#endif /* _EXT4_H */
Index: linux-2.6.27.ext4/fs/ext4/ext4_sb.h
===================================================================
--- linux-2.6.27.ext4.orig/fs/ext4/ext4_sb.h
+++ linux-2.6.27.ext4/fs/ext4/ext4_sb.h
@@ -56,6 +56,7 @@ struct ext4_sb_info {
u32 s_next_generation;
u32 s_hash_seed[4];
int s_def_hash_version;
+ int s_hash_unsigned; /* 3 if hash should be signed, 0 if not */
struct percpu_counter s_freeblocks_counter;
struct percpu_counter s_freeinodes_counter;
struct percpu_counter s_dirs_counter;
@@ -102,7 +103,8 @@ struct ext4_sb_info {
struct list_head s_committed_transaction;
spinlock_t s_md_lock;
tid_t s_last_transaction;
- unsigned short *s_mb_offsets, *s_mb_maxs;
+ unsigned short *s_mb_offsets;
+ unsigned int *s_mb_maxs;
/* tunables */
unsigned long s_stripe;
Index: linux-2.6.27.ext4/fs/ext4/hash.c
===================================================================
--- linux-2.6.27.ext4.orig/fs/ext4/hash.c
+++ linux-2.6.27.ext4/fs/ext4/hash.c
@@ -35,23 +35,71 @@ static void TEA_transform(__u32 buf[4],
/* The old legacy hash */
-static __u32 dx_hack_hash (const char *name, int len)
+static __u32 dx_hack_hash_unsigned(const char *name, int len)
{
- __u32 hash0 = 0x12a3fe2d, hash1 = 0x37abe8f9;
+ __u32 hash, hash0 = 0x12a3fe2d, hash1 = 0x37abe8f9;
+ const unsigned char *ucp = (const unsigned char *) name;
+
+ while (len--) {
+ hash = hash1 + (hash0 ^ (((int) *ucp++) * 7152373));
+
+ if (hash & 0x80000000)
+ hash -= 0x7fffffff;
+ hash1 = hash0;
+ hash0 = hash;
+ }
+ return hash0 << 1;
+}
+
+static __u32 dx_hack_hash_signed(const char *name, int len)
+{
+ __u32 hash, hash0 = 0x12a3fe2d, hash1 = 0x37abe8f9;
+ const signed char *scp = (const signed char *) name;
+
while (len--) {
- __u32 hash = hash1 + (hash0 ^ (*name++ * 7152373));
+ hash = hash1 + (hash0 ^ (((int) *scp++) * 7152373));
- if (hash & 0x80000000) hash -= 0x7fffffff;
+ if (hash & 0x80000000)
+ hash -= 0x7fffffff;
hash1 = hash0;
hash0 = hash;
}
- return (hash0 << 1);
+ return hash0 << 1;
}
-static void str2hashbuf(const char *msg, int len, __u32 *buf, int num)
+static void str2hashbuf_signed(const char *msg, int len, __u32 *buf, int num)
{
__u32 pad, val;
int i;
+ const signed char *scp = (const signed char *) msg;
+
+ pad = (__u32)len | ((__u32)len << 8);
+ pad |= pad << 16;
+
+ val = pad;
+ if (len > num*4)
+ len = num * 4;
+ for (i = 0; i < len; i++) {
+ if ((i % 4) == 0)
+ val = pad;
+ val = ((int) scp[i]) + (val << 8);
+ if ((i % 4) == 3) {
+ *buf++ = val;
+ val = pad;
+ num--;
+ }
+ }
+ if (--num >= 0)
+ *buf++ = val;
+ while (--num >= 0)
+ *buf++ = pad;
+}
+
+static void str2hashbuf_unsigned(const char *msg, int len, __u32 *buf, int num)
+{
+ __u32 pad, val;
+ int i;
+ const unsigned char *ucp = (const unsigned char *) msg;
pad = (__u32)len | ((__u32)len << 8);
pad |= pad << 16;
@@ -62,7 +110,7 @@ static void str2hashbuf(const char *msg,
for (i=0; i < len; i++) {
[...1832 lines suppressed...]
/*
+ * claim the inode from the inode bitmap. If the group
+ * is uninit we need to take the groups's sb_bgl_lock
+ * and clear the uninit flag. The inode bitmap update
+ * and group desc uninit flag clear should be done
+ * after holding sb_bgl_lock so that ext4_read_inode_bitmap
+ * doesn't race with the ext4_claim_inode
+ */
+static int ext4_claim_inode(struct super_block *sb,
+ struct buffer_head *inode_bitmap_bh,
+ unsigned long ino, ext4_group_t group, int mode)
+{
+ int free = 0, retval = 0;
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
+ struct ext4_group_desc *gdp = ext4_get_group_desc(sb, group, NULL);
+
+ spin_lock(sb_bgl_lock(sbi, group));
+ if (ext4_set_bit(ino, inode_bitmap_bh->b_data)) {
+ /* not a free inode */
+ retval = 1;
+ goto err_ret;
+ }
+ ino++;
+ if ((group == 0 && ino < EXT4_FIRST_INO(sb)) ||
+ ino > EXT4_INODES_PER_GROUP(sb)) {
+ spin_unlock(sb_bgl_lock(sbi, group));
+ ext4_error(sb, __func__,
+ "reserved inode or inode > inodes count - "
+ "block_group = %lu, inode=%lu", group,
+ ino + group * EXT4_INODES_PER_GROUP(sb));
+ return 1;
+ }
+ /* If we didn't allocate from within the initialized part of the inode
+ * table then we need to initialize up to this inode. */
+ if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_GDT_CSUM)) {
+
+ if (gdp->bg_flags & cpu_to_le16(EXT4_BG_INODE_UNINIT)) {
+ gdp->bg_flags &= cpu_to_le16(~EXT4_BG_INODE_UNINIT);
+ /* When marking the block group with
+ * ~EXT4_BG_INODE_UNINIT we don't want to depend
+ * on the value of bg_itable_unused even though
+ * mke2fs could have initialized the same for us.
+ * Instead we calculated the value below
+ */
+
+ free = 0;
+ } else {
+ free = EXT4_INODES_PER_GROUP(sb) -
+ le16_to_cpu(gdp->bg_itable_unused);
+ }
+
+ /*
+ * Check the relative inode number against the last used
+ * relative inode number in this group. if it is greater
+ * we need to update the bg_itable_unused count
+ *
+ */
+ if (ino > free)
+ gdp->bg_itable_unused =
+ cpu_to_le16(EXT4_INODES_PER_GROUP(sb) - ino);
+ }
+ le16_add_cpu(&gdp->bg_free_inodes_count, -1);
+ if (S_ISDIR(mode)) {
+ le16_add_cpu(&gdp->bg_used_dirs_count, 1);
+ }
+ gdp->bg_checksum = ext4_group_desc_csum(sbi, group, gdp);
+err_ret:
+ spin_unlock(sb_bgl_lock(sbi, group));
+ return retval;
+}
+
+/*
* There are two policies for allocating an inode. If the new inode is
* a directory, then a forward search is made for a block group with both
* free space and a low directory-to-inode ratio; if that fails, then of
@@ -649,8 +742,12 @@ repeat_in_this_group:
if (err)
goto fail;
- if (!ext4_set_bit_atomic(sb_bgl_lock(sbi, group),
- ino, bitmap_bh->b_data)) {
+ BUFFER_TRACE(bh2, "get_write_access");
+ err = ext4_journal_get_write_access(handle, bh2);
+ if (err)
+ goto fail;
+ if (!ext4_claim_inode(sb, bitmap_bh,
+ ino, group, mode)) {
/* we won it */
BUFFER_TRACE(bitmap_bh,
"call ext4_journal_dirty_metadata");
@@ -658,10 +755,13 @@ repeat_in_this_group:
bitmap_bh);
if (err)
goto fail;
+ /* zero bit is inode number 1*/
+ ino++;
goto got;
}
/* we lost it */
jbd2_journal_release_buffer(handle, bitmap_bh);
+ jbd2_journal_release_buffer(handle, bh2);
if (++ino < EXT4_INODES_PER_GROUP(sb))
goto repeat_in_this_group;
@@ -681,21 +781,6 @@ repeat_in_this_group:
goto out;
got:
- ino++;
- if ((group == 0 && ino < EXT4_FIRST_INO(sb)) ||
- ino > EXT4_INODES_PER_GROUP(sb)) {
- ext4_error(sb, __func__,
- "reserved inode or inode > inodes count - "
- "block_group = %lu, inode=%lu", group,
- ino + group * EXT4_INODES_PER_GROUP(sb));
- err = -EIO;
- goto fail;
- }
-
- BUFFER_TRACE(bh2, "get_write_access");
- err = ext4_journal_get_write_access(handle, bh2);
- if (err) goto fail;
-
/* We may have to initialize the block bitmap if it isn't already */
if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_GDT_CSUM) &&
gdp->bg_flags & cpu_to_le16(EXT4_BG_BLOCK_UNINIT)) {
@@ -730,47 +815,10 @@ got:
if (err)
goto fail;
}
-
- spin_lock(sb_bgl_lock(sbi, group));
- /* If we didn't allocate from within the initialized part of the inode
- * table then we need to initialize up to this inode. */
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_GDT_CSUM)) {
- if (gdp->bg_flags & cpu_to_le16(EXT4_BG_INODE_UNINIT)) {
- gdp->bg_flags &= cpu_to_le16(~EXT4_BG_INODE_UNINIT);
-
- /* When marking the block group with
- * ~EXT4_BG_INODE_UNINIT we don't want to depend
- * on the value of bg_itable_unused even though
- * mke2fs could have initialized the same for us.
- * Instead we calculated the value below
- */
-
- free = 0;
- } else {
- free = EXT4_INODES_PER_GROUP(sb) -
- le16_to_cpu(gdp->bg_itable_unused);
- }
-
- /*
- * Check the relative inode number against the last used
- * relative inode number in this group. if it is greater
- * we need to update the bg_itable_unused count
- *
- */
- if (ino > free)
- gdp->bg_itable_unused =
- cpu_to_le16(EXT4_INODES_PER_GROUP(sb) - ino);
- }
-
- le16_add_cpu(&gdp->bg_free_inodes_count, -1);
- if (S_ISDIR(mode)) {
- le16_add_cpu(&gdp->bg_used_dirs_count, 1);
- }
- gdp->bg_checksum = ext4_group_desc_csum(sbi, group, gdp);
- spin_unlock(sb_bgl_lock(sbi, group));
- BUFFER_TRACE(bh2, "call ext4_journal_dirty_metadata");
+ BUFFER_TRACE(bh2, "call ext4_handle_dirty_metadata");
err = ext4_journal_dirty_metadata(handle, bh2);
- if (err) goto fail;
+ if (err)
+ goto fail;
percpu_counter_dec(&sbi->s_freeinodes_counter);
if (S_ISDIR(mode))
Index: linux-2.6.27.ext4/include/linux/jbd2.h
===================================================================
--- linux-2.6.27.ext4.orig/include/linux/jbd2.h
+++ linux-2.6.27.ext4/include/linux/jbd2.h
@@ -308,7 +308,8 @@ void buffer_assertion_failure(struct buf
int val = (expr); \
if (!val) { \
printk(KERN_ERR \
- "EXT3-fs unexpected failure: %s;\n",# expr); \
+ "JBD2 unexpected failure: %s: %s;\n", \
+ __func__, #expr); \
printk(KERN_ERR why "\n"); \
} \
val; \
@@ -329,6 +330,7 @@ enum jbd_state_bits {
BH_State, /* Pins most journal_head state */
BH_JournalHead, /* Pins bh->b_private and jh->b_bh */
BH_Unshadow, /* Dummy bit, for BJ_Shadow wakeup filtering */
+ BH_JBDPrivateStart, /* First bit available for private use by FS */
};
BUFFER_FNS(JBD, jbd)
Index: kernel.spec
===================================================================
RCS file: /cvs/pkgs/rpms/kernel/F-9/kernel.spec,v
retrieving revision 1.891.2.17
retrieving revision 1.891.2.18
diff -u -r1.891.2.17 -r1.891.2.18
--- kernel.spec 6 Feb 2009 21:08:07 -0000 1.891.2.17
+++ kernel.spec 6 Feb 2009 22:14:17 -0000 1.891.2.18
@@ -732,6 +732,7 @@
Patch2902: linux-2.6.27-ext4-rename-ext4dev-to-ext4.patch
Patch2903: linux-2.6.27.9-ext4-cap-check-delay.patch
+Patch2904: linux-2.6.27.14-ext4-patch-queue.patch
# Add better support for DMI-based autoloading
Patch3110: linux-2.6-dmi-autoload.patch
@@ -1307,6 +1308,7 @@
# Filesystem patches
ApplyPatch linux-2.6.27-ext4-rename-ext4dev-to-ext4.patch
ApplyPatch linux-2.6.27.9-ext4-cap-check-delay.patch
+ApplyPatch linux-2.6.27.14-ext4-patch-queue.patch
# linux1394 git patches
ApplyPatch linux-2.6-firewire-git-update.patch
@@ -1922,6 +1924,9 @@
%kernel_variant_files -a /%{image_install_path}/xen*-%{KVERREL}.xen -e /etc/ld.so.conf.d/kernelcap-%{KVERREL}.xen.conf %{with_xen} xen
%changelog
+* Fri Feb 07 2009 Chuck Ebbert <cebbert at redhat.com> 2.6.27.14-78.2.18
+- Add ext4 stable patch queue
+
* Fri Feb 07 2009 Chuck Ebbert <cebbert at redhat.com> 2.6.27.14-78.2.17
- libata: detect modern CF devices properly
- libata: drop link speed when errors happen on reset (F10#483351)
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