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-rw-r--r--fs/gfs2/Kconfig2
-rw-r--r--fs/gfs2/aops.c2
-rw-r--r--fs/gfs2/file.c3
-rw-r--r--fs/gfs2/glops.c13
-rw-r--r--fs/gfs2/log.c75
-rw-r--r--fs/gfs2/log.h12
-rw-r--r--fs/gfs2/lops.c16
-rw-r--r--fs/gfs2/lops.h3
-rw-r--r--fs/gfs2/ops_fstype.c2
-rw-r--r--fs/gfs2/quota.c3
-rw-r--r--fs/gfs2/recovery.c17
-rw-r--r--fs/gfs2/rgrp.c2
-rw-r--r--fs/gfs2/super.c9
-rw-r--r--fs/gfs2/trans.c2
-rw-r--r--include/uapi/linux/gfs2_ondisk.h26
15 files changed, 128 insertions, 59 deletions
diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig
index 43c827a7cce5..c0225d4b5435 100644
--- a/fs/gfs2/Kconfig
+++ b/fs/gfs2/Kconfig
@@ -3,6 +3,8 @@ config GFS2_FS
depends on (64BIT || LBDAF)
select FS_POSIX_ACL
select CRC32
+ select CRYPTO
+ select CRYPTO_CRC32C
select QUOTACTL
select FS_IOMAP
help
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index ac4a1e89da1e..462c3fd55929 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -448,7 +448,7 @@ static int gfs2_jdata_writepages(struct address_space *mapping,
ret = gfs2_write_cache_jdata(mapping, wbc);
if (ret == 0 && wbc->sync_mode == WB_SYNC_ALL) {
- gfs2_log_flush(sdp, ip->i_gl, NORMAL_FLUSH);
+ gfs2_log_flush(sdp, ip->i_gl, GFS2_LOG_HEAD_FLUSH_NORMAL);
ret = gfs2_write_cache_jdata(mapping, wbc);
}
return ret;
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index bd60dc682676..7a02b4e6e9f3 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -246,7 +246,8 @@ static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask)
}
if ((flags ^ new_flags) & GFS2_DIF_JDATA) {
if (new_flags & GFS2_DIF_JDATA)
- gfs2_log_flush(sdp, ip->i_gl, NORMAL_FLUSH);
+ gfs2_log_flush(sdp, ip->i_gl,
+ GFS2_LOG_HEAD_FLUSH_NORMAL);
error = filemap_fdatawrite(inode->i_mapping);
if (error)
goto out;
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index cdd1c5f06f45..2daab13a9e0b 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -107,7 +107,7 @@ static void gfs2_ail_empty_gl(struct gfs2_glock *gl)
__gfs2_ail_flush(gl, 0, tr.tr_revokes);
gfs2_trans_end(sdp);
- gfs2_log_flush(sdp, NULL, NORMAL_FLUSH);
+ gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL);
}
void gfs2_ail_flush(struct gfs2_glock *gl, bool fsync)
@@ -128,7 +128,7 @@ void gfs2_ail_flush(struct gfs2_glock *gl, bool fsync)
return;
__gfs2_ail_flush(gl, fsync, max_revokes);
gfs2_trans_end(sdp);
- gfs2_log_flush(sdp, NULL, NORMAL_FLUSH);
+ gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL);
}
/**
@@ -157,7 +157,7 @@ static void rgrp_go_sync(struct gfs2_glock *gl)
return;
GLOCK_BUG_ON(gl, gl->gl_state != LM_ST_EXCLUSIVE);
- gfs2_log_flush(sdp, gl, NORMAL_FLUSH);
+ gfs2_log_flush(sdp, gl, GFS2_LOG_HEAD_FLUSH_NORMAL);
filemap_fdatawrite_range(mapping, gl->gl_vm.start, gl->gl_vm.end);
error = filemap_fdatawait_range(mapping, gl->gl_vm.start, gl->gl_vm.end);
mapping_set_error(mapping, error);
@@ -252,7 +252,7 @@ static void inode_go_sync(struct gfs2_glock *gl)
GLOCK_BUG_ON(gl, gl->gl_state != LM_ST_EXCLUSIVE);
- gfs2_log_flush(gl->gl_name.ln_sbd, gl, NORMAL_FLUSH);
+ gfs2_log_flush(gl->gl_name.ln_sbd, gl, GFS2_LOG_HEAD_FLUSH_NORMAL);
filemap_fdatawrite(metamapping);
if (isreg) {
struct address_space *mapping = ip->i_inode.i_mapping;
@@ -303,7 +303,8 @@ static void inode_go_inval(struct gfs2_glock *gl, int flags)
}
if (ip == GFS2_I(gl->gl_name.ln_sbd->sd_rindex)) {
- gfs2_log_flush(gl->gl_name.ln_sbd, NULL, NORMAL_FLUSH);
+ gfs2_log_flush(gl->gl_name.ln_sbd, NULL,
+ GFS2_LOG_HEAD_FLUSH_NORMAL);
gl->gl_name.ln_sbd->sd_rindex_uptodate = 0;
}
if (ip && S_ISREG(ip->i_inode.i_mode))
@@ -495,7 +496,7 @@ static void freeze_go_sync(struct gfs2_glock *gl)
gfs2_assert_withdraw(sdp, 0);
}
queue_work(gfs2_freeze_wq, &sdp->sd_freeze_work);
- gfs2_log_flush(sdp, NULL, FREEZE_FLUSH);
+ gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_FREEZE);
}
}
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index c27cbcebfe88..a2eb13c04591 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -14,6 +14,7 @@
#include <linux/buffer_head.h>
#include <linux/gfs2_ondisk.h>
#include <linux/crc32.h>
+#include <linux/crc32c.h>
#include <linux/delay.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
@@ -653,20 +654,25 @@ out_of_blocks:
/**
* write_log_header - Write a journal log header buffer at sd_log_flush_head
* @sdp: The GFS2 superblock
+ * @jd: journal descriptor of the journal to which we are writing
* @seq: sequence number
* @tail: tail of the log
- * @flags: log header flags
+ * @flags: log header flags GFS2_LOG_HEAD_*
* @op_flags: flags to pass to the bio
*
* Returns: the initialized log buffer descriptor
*/
-void gfs2_write_log_header(struct gfs2_sbd *sdp, u64 seq, u32 tail,
- u32 flags, int op_flags)
+void gfs2_write_log_header(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
+ u64 seq, u32 tail, u32 flags, int op_flags)
{
struct gfs2_log_header *lh;
- u32 hash;
+ u32 hash, crc;
struct page *page = mempool_alloc(gfs2_page_pool, GFP_NOIO);
+ struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;
+ struct timespec64 tv;
+ struct super_block *sb = sdp->sd_vfs;
+ u64 addr;
lh = page_address(page);
clear_page(lh);
@@ -680,10 +686,39 @@ void gfs2_write_log_header(struct gfs2_sbd *sdp, u64 seq, u32 tail,
lh->lh_flags = cpu_to_be32(flags);
lh->lh_tail = cpu_to_be32(tail);
lh->lh_blkno = cpu_to_be32(sdp->sd_log_flush_head);
- hash = ~crc32(~0, lh, sizeof(*lh));
+ hash = ~crc32(~0, lh, LH_V1_SIZE);
lh->lh_hash = cpu_to_be32(hash);
- gfs2_log_write_page(sdp, page);
+ tv = current_kernel_time64();
+ lh->lh_nsec = cpu_to_be32(tv.tv_nsec);
+ lh->lh_sec = cpu_to_be64(tv.tv_sec);
+ addr = gfs2_log_bmap(sdp);
+ lh->lh_addr = cpu_to_be64(addr);
+ lh->lh_jinode = cpu_to_be64(GFS2_I(jd->jd_inode)->i_no_addr);
+
+ /* We may only write local statfs, quota, etc., when writing to our
+ own journal. The values are left 0 when recovering a journal
+ different from our own. */
+ if (!(flags & GFS2_LOG_HEAD_RECOVERY)) {
+ lh->lh_statfs_addr =
+ cpu_to_be64(GFS2_I(sdp->sd_sc_inode)->i_no_addr);
+ lh->lh_quota_addr =
+ cpu_to_be64(GFS2_I(sdp->sd_qc_inode)->i_no_addr);
+
+ spin_lock(&sdp->sd_statfs_spin);
+ lh->lh_local_total = cpu_to_be64(l_sc->sc_total);
+ lh->lh_local_free = cpu_to_be64(l_sc->sc_free);
+ lh->lh_local_dinodes = cpu_to_be64(l_sc->sc_dinodes);
+ spin_unlock(&sdp->sd_statfs_spin);
+ }
+
+ BUILD_BUG_ON(offsetof(struct gfs2_log_header, lh_crc) != LH_V1_SIZE);
+
+ crc = crc32c(~0, (void *)lh + LH_V1_SIZE + 4,
+ sb->s_blocksize - LH_V1_SIZE - 4);
+ lh->lh_crc = cpu_to_be32(crc);
+
+ gfs2_log_write(sdp, page, sb->s_blocksize, 0, addr);
gfs2_log_flush_bio(sdp, REQ_OP_WRITE, op_flags);
log_flush_wait(sdp);
}
@@ -691,6 +726,7 @@ void gfs2_write_log_header(struct gfs2_sbd *sdp, u64 seq, u32 tail,
/**
* log_write_header - Get and initialize a journal header buffer
* @sdp: The GFS2 superblock
+ * @flags: The log header flags, including log header origin
*
* Returns: the initialized log buffer descriptor
*/
@@ -710,8 +746,8 @@ static void log_write_header(struct gfs2_sbd *sdp, u32 flags)
op_flags = REQ_SYNC | REQ_META | REQ_PRIO;
}
sdp->sd_log_idle = (tail == sdp->sd_log_flush_head);
- gfs2_write_log_header(sdp, sdp->sd_log_sequence++, tail, flags,
- op_flags);
+ gfs2_write_log_header(sdp, sdp->sd_jdesc, sdp->sd_log_sequence++, tail,
+ flags, op_flags);
if (sdp->sd_log_tail != tail)
log_pull_tail(sdp, tail);
@@ -721,11 +757,11 @@ static void log_write_header(struct gfs2_sbd *sdp, u32 flags)
* gfs2_log_flush - flush incore transaction(s)
* @sdp: the filesystem
* @gl: The glock structure to flush. If NULL, flush the whole incore log
+ * @flags: The log header flags: GFS2_LOG_HEAD_FLUSH_*
*
*/
-void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl,
- enum gfs2_flush_type type)
+void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl, u32 flags)
{
struct gfs2_trans *tr;
enum gfs2_freeze_state state = atomic_read(&sdp->sd_freeze_state);
@@ -739,7 +775,7 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl,
}
trace_gfs2_log_flush(sdp, 1);
- if (type == SHUTDOWN_FLUSH)
+ if (flags & GFS2_LOG_HEAD_FLUSH_SHUTDOWN)
clear_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags);
sdp->sd_log_flush_head = sdp->sd_log_head;
@@ -764,11 +800,11 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl,
if (sdp->sd_log_head != sdp->sd_log_flush_head) {
log_flush_wait(sdp);
- log_write_header(sdp, 0);
+ log_write_header(sdp, flags);
} else if (sdp->sd_log_tail != current_tail(sdp) && !sdp->sd_log_idle){
atomic_dec(&sdp->sd_log_blks_free); /* Adjust for unreserved buffer */
trace_gfs2_log_blocks(sdp, -1);
- log_write_header(sdp, 0);
+ log_write_header(sdp, flags);
}
lops_after_commit(sdp, tr);
@@ -785,7 +821,7 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl,
spin_unlock(&sdp->sd_ail_lock);
gfs2_log_unlock(sdp);
- if (type != NORMAL_FLUSH) {
+ if (!(flags & GFS2_LOG_HEAD_FLUSH_NORMAL)) {
if (!sdp->sd_log_idle) {
for (;;) {
gfs2_ail1_start(sdp);
@@ -795,12 +831,13 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl,
}
atomic_dec(&sdp->sd_log_blks_free); /* Adjust for unreserved buffer */
trace_gfs2_log_blocks(sdp, -1);
- log_write_header(sdp, 0);
+ log_write_header(sdp, flags);
sdp->sd_log_head = sdp->sd_log_flush_head;
}
- if (type == SHUTDOWN_FLUSH || type == FREEZE_FLUSH)
+ if (flags & (GFS2_LOG_HEAD_FLUSH_SHUTDOWN |
+ GFS2_LOG_HEAD_FLUSH_FREEZE))
gfs2_log_shutdown(sdp);
- if (type == FREEZE_FLUSH)
+ if (flags & GFS2_LOG_HEAD_FLUSH_FREEZE)
atomic_set(&sdp->sd_freeze_state, SFS_FROZEN);
}
@@ -956,7 +993,7 @@ int gfs2_logd(void *data)
did_flush = false;
if (gfs2_jrnl_flush_reqd(sdp) || t == 0) {
gfs2_ail1_empty(sdp);
- gfs2_log_flush(sdp, NULL, NORMAL_FLUSH);
+ gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL);
did_flush = true;
}
@@ -964,7 +1001,7 @@ int gfs2_logd(void *data)
gfs2_ail1_start(sdp);
gfs2_ail1_wait(sdp);
gfs2_ail1_empty(sdp);
- gfs2_log_flush(sdp, NULL, NORMAL_FLUSH);
+ gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL);
did_flush = true;
}
diff --git a/fs/gfs2/log.h b/fs/gfs2/log.h
index 619de9a1ff4f..93b52ac1ca1f 100644
--- a/fs/gfs2/log.h
+++ b/fs/gfs2/log.h
@@ -65,16 +65,10 @@ extern unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct,
extern void gfs2_log_release(struct gfs2_sbd *sdp, unsigned int blks);
extern int gfs2_log_reserve(struct gfs2_sbd *sdp, unsigned int blks);
-enum gfs2_flush_type {
- NORMAL_FLUSH = 0,
- SYNC_FLUSH,
- SHUTDOWN_FLUSH,
- FREEZE_FLUSH
-};
-extern void gfs2_write_log_header(struct gfs2_sbd *sdp, u64 seq, u32 tail,
- u32 flags, int op_flags);
+extern void gfs2_write_log_header(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
+ u64 seq, u32 tail, u32 flags, int op_flags);
extern void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl,
- enum gfs2_flush_type type);
+ u32 type);
extern void gfs2_log_commit(struct gfs2_sbd *sdp, struct gfs2_trans *trans);
extern void gfs2_remove_from_ail(struct gfs2_bufdata *bd);
extern void gfs2_ail1_flush(struct gfs2_sbd *sdp, struct writeback_control *wbc);
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index c8ff7b7954f0..4a60221c678f 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -18,6 +18,7 @@
#include <linux/fs.h>
#include <linux/list_sort.h>
+#include "dir.h"
#include "gfs2.h"
#include "incore.h"
#include "inode.h"
@@ -138,7 +139,7 @@ static void gfs2_log_incr_head(struct gfs2_sbd *sdp)
sdp->sd_log_flush_head = 0;
}
-static u64 gfs2_log_bmap(struct gfs2_sbd *sdp)
+u64 gfs2_log_bmap(struct gfs2_sbd *sdp)
{
unsigned int lbn = sdp->sd_log_flush_head;
struct gfs2_journal_extent *je;
@@ -306,23 +307,22 @@ static struct bio *gfs2_log_get_bio(struct gfs2_sbd *sdp, u64 blkno)
return gfs2_log_alloc_bio(sdp, blkno);
}
-
/**
* gfs2_log_write - write to log
* @sdp: the filesystem
* @page: the page to write
* @size: the size of the data to write
* @offset: the offset within the page
+ * @blkno: block number of the log entry
*
* Try and add the page segment to the current bio. If that fails,
* submit the current bio to the device and create a new one, and
* then add the page segment to that.
*/
-static void gfs2_log_write(struct gfs2_sbd *sdp, struct page *page,
- unsigned size, unsigned offset)
+void gfs2_log_write(struct gfs2_sbd *sdp, struct page *page,
+ unsigned size, unsigned offset, u64 blkno)
{
- u64 blkno = gfs2_log_bmap(sdp);
struct bio *bio;
int ret;
@@ -348,7 +348,8 @@ static void gfs2_log_write(struct gfs2_sbd *sdp, struct page *page,
static void gfs2_log_write_bh(struct gfs2_sbd *sdp, struct buffer_head *bh)
{
- gfs2_log_write(sdp, bh->b_page, bh->b_size, bh_offset(bh));
+ gfs2_log_write(sdp, bh->b_page, bh->b_size, bh_offset(bh),
+ gfs2_log_bmap(sdp));
}
/**
@@ -365,7 +366,8 @@ static void gfs2_log_write_bh(struct gfs2_sbd *sdp, struct buffer_head *bh)
void gfs2_log_write_page(struct gfs2_sbd *sdp, struct page *page)
{
struct super_block *sb = sdp->sd_vfs;
- gfs2_log_write(sdp, page, sb->s_blocksize, 0);
+ gfs2_log_write(sdp, page, sb->s_blocksize, 0,
+ gfs2_log_bmap(sdp));
}
static struct page *gfs2_get_log_desc(struct gfs2_sbd *sdp, u32 ld_type,
diff --git a/fs/gfs2/lops.h b/fs/gfs2/lops.h
index e529f536c117..e4949394f054 100644
--- a/fs/gfs2/lops.h
+++ b/fs/gfs2/lops.h
@@ -26,6 +26,9 @@ extern const struct gfs2_log_operations gfs2_revoke_lops;
extern const struct gfs2_log_operations gfs2_databuf_lops;
extern const struct gfs2_log_operations *gfs2_log_ops[];
+extern u64 gfs2_log_bmap(struct gfs2_sbd *sdp);
+extern void gfs2_log_write(struct gfs2_sbd *sdp, struct page *page,
+ unsigned size, unsigned offset, u64 blkno);
extern void gfs2_log_write_page(struct gfs2_sbd *sdp, struct page *page);
extern void gfs2_log_flush_bio(struct gfs2_sbd *sdp, int op, int op_flags);
extern void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh);
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index ad55eb86a250..d6e620beb9db 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -1382,7 +1382,7 @@ static void gfs2_kill_sb(struct super_block *sb)
return;
}
- gfs2_log_flush(sdp, NULL, SYNC_FLUSH);
+ gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_SYNC);
dput(sdp->sd_root_dir);
dput(sdp->sd_master_dir);
sdp->sd_root_dir = NULL;
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index e700fb162664..2092df19e433 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -955,7 +955,8 @@ out:
gfs2_glock_dq_uninit(&ghs[qx]);
inode_unlock(&ip->i_inode);
kfree(ghs);
- gfs2_log_flush(ip->i_gl->gl_name.ln_sbd, ip->i_gl, NORMAL_FLUSH);
+ gfs2_log_flush(ip->i_gl->gl_name.ln_sbd, ip->i_gl,
+ GFS2_LOG_HEAD_FLUSH_NORMAL);
return error;
}
diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c
index 975f32166dfe..b6b258998bcd 100644
--- a/fs/gfs2/recovery.c
+++ b/fs/gfs2/recovery.c
@@ -14,6 +14,7 @@
#include <linux/buffer_head.h>
#include <linux/gfs2_ondisk.h>
#include <linux/crc32.h>
+#include <linux/crc32c.h>
#include "gfs2.h"
#include "incore.h"
@@ -137,7 +138,7 @@ static int get_log_header(struct gfs2_jdesc *jd, unsigned int blk,
{
struct gfs2_log_header *lh;
struct buffer_head *bh;
- u32 hash;
+ u32 hash, crc;
int error;
error = gfs2_replay_read_block(jd, blk, &bh);
@@ -145,13 +146,17 @@ static int get_log_header(struct gfs2_jdesc *jd, unsigned int blk,
return error;
lh = (void *)bh->b_data;
- hash = crc32(~0, lh, sizeof(*lh) - 4);
+ hash = crc32(~0, lh, LH_V1_SIZE - 4);
hash = ~crc32_le_shift(hash, 4); /* assume lh_hash is zero */
+ crc = crc32c(~0, (void *)lh + LH_V1_SIZE + 4,
+ bh->b_size - LH_V1_SIZE - 4);
+
error = lh->lh_header.mh_magic != cpu_to_be32(GFS2_MAGIC) ||
lh->lh_header.mh_type != cpu_to_be32(GFS2_METATYPE_LH) ||
be32_to_cpu(lh->lh_blkno) != blk ||
- be32_to_cpu(lh->lh_hash) != hash;
+ be32_to_cpu(lh->lh_hash) != hash ||
+ (lh->lh_crc != 0 && be32_to_cpu(lh->lh_crc) != crc);
brelse(bh);
@@ -372,9 +377,9 @@ static void clean_journal(struct gfs2_jdesc *jd,
sdp->sd_log_flush_head = head->lh_blkno;
gfs2_replay_incr_blk(jd, &sdp->sd_log_flush_head);
- gfs2_write_log_header(sdp, head->lh_sequence + 1, 0,
- GFS2_LOG_HEAD_UNMOUNT, REQ_PREFLUSH |
- REQ_FUA | REQ_META | REQ_SYNC);
+ gfs2_write_log_header(sdp, jd, head->lh_sequence + 1, 0,
+ GFS2_LOG_HEAD_UNMOUNT | GFS2_LOG_HEAD_RECOVERY,
+ REQ_PREFLUSH | REQ_FUA | REQ_META | REQ_SYNC);
}
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 6dea72f49316..00eab6c0525c 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -2093,7 +2093,7 @@ next_rgrp:
}
/* Flushing the log may release space */
if (loops == 2)
- gfs2_log_flush(sdp, NULL, NORMAL_FLUSH);
+ gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL);
}
return -ENOSPC;
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index d81d46e19726..fa3a19eaf0eb 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -757,7 +757,8 @@ static int gfs2_write_inode(struct inode *inode, struct writeback_control *wbc)
bool flush_all = (wbc->sync_mode == WB_SYNC_ALL || gfs2_is_jdata(ip));
if (flush_all)
- gfs2_log_flush(GFS2_SB(inode), ip->i_gl, NORMAL_FLUSH);
+ gfs2_log_flush(GFS2_SB(inode), ip->i_gl,
+ GFS2_LOG_HEAD_FLUSH_NORMAL);
if (bdi->wb.dirty_exceeded)
gfs2_ail1_flush(sdp, wbc);
else
@@ -853,7 +854,7 @@ static int gfs2_make_fs_ro(struct gfs2_sbd *sdp)
gfs2_quota_sync(sdp->sd_vfs, 0);
gfs2_statfs_sync(sdp->sd_vfs, 0);
- gfs2_log_flush(sdp, NULL, SHUTDOWN_FLUSH);
+ gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_SHUTDOWN);
wait_event(sdp->sd_reserving_log_wait, atomic_read(&sdp->sd_reserving_log) == 0);
gfs2_assert_warn(sdp, atomic_read(&sdp->sd_log_blks_free) == sdp->sd_jdesc->jd_blocks);
@@ -946,7 +947,7 @@ static int gfs2_sync_fs(struct super_block *sb, int wait)
gfs2_quota_sync(sb, -1);
if (wait)
- gfs2_log_flush(sdp, NULL, NORMAL_FLUSH);
+ gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL);
return sdp->sd_log_error;
}
@@ -1650,7 +1651,7 @@ alloc_failed:
goto out_unlock;
out_truncate:
- gfs2_log_flush(sdp, ip->i_gl, NORMAL_FLUSH);
+ gfs2_log_flush(sdp, ip->i_gl, GFS2_LOG_HEAD_FLUSH_NORMAL);
metamapping = gfs2_glock2aspace(ip->i_gl);
if (test_bit(GLF_DIRTY, &ip->i_gl->gl_flags)) {
filemap_fdatawrite(metamapping);
diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c
index b95ebd166cac..7aec6d3434fa 100644
--- a/fs/gfs2/trans.c
+++ b/fs/gfs2/trans.c
@@ -117,7 +117,7 @@ void gfs2_trans_end(struct gfs2_sbd *sdp)
up_read(&sdp->sd_log_flush_lock);
if (sdp->sd_vfs->s_flags & SB_SYNCHRONOUS)
- gfs2_log_flush(sdp, NULL, NORMAL_FLUSH);
+ gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL);
if (alloced)
sb_end_intwrite(sdp->sd_vfs);
}
diff --git a/include/uapi/linux/gfs2_ondisk.h b/include/uapi/linux/gfs2_ondisk.h
index 09f0920f07e9..9a81d520f54a 100644
--- a/include/uapi/linux/gfs2_ondisk.h
+++ b/include/uapi/linux/gfs2_ondisk.h
@@ -403,7 +403,15 @@ struct gfs2_ea_header {
* Log header structure
*/
-#define GFS2_LOG_HEAD_UNMOUNT 0x00000001 /* log is clean */
+#define GFS2_LOG_HEAD_UNMOUNT 0x00000001 /* log is clean */
+#define GFS2_LOG_HEAD_FLUSH_NORMAL 0x00000002 /* normal log flush */
+#define GFS2_LOG_HEAD_FLUSH_SYNC 0x00000004 /* Sync log flush */
+#define GFS2_LOG_HEAD_FLUSH_SHUTDOWN 0x00000008 /* Shutdown log flush */
+#define GFS2_LOG_HEAD_FLUSH_FREEZE 0x00000010 /* Freeze flush */
+#define GFS2_LOG_HEAD_RECOVERY 0x00000020 /* Journal recovery */
+#define GFS2_LOG_HEAD_USERSPACE 0x80000000 /* Written by gfs2-utils */
+
+#define LH_V1_SIZE (offsetofend(struct gfs2_log_header, lh_hash))
struct gfs2_log_header {
struct gfs2_meta_header lh_header;
@@ -412,7 +420,21 @@ struct gfs2_log_header {
__be32 lh_flags; /* GFS2_LOG_HEAD_... */
__be32 lh_tail; /* Block number of log tail */
__be32 lh_blkno;
- __be32 lh_hash;
+ __be32 lh_hash; /* crc up to here with this field 0 */
+
+ /* Version 2 additional fields start here */
+ __be32 lh_crc; /* crc32c from lh_nsec to end of block */
+ __be32 lh_nsec; /* Nanoseconds of timestamp */
+ __be64 lh_sec; /* Seconds of timestamp */
+ __be64 lh_addr; /* Block addr of this log header (absolute) */
+ __be64 lh_jinode; /* Journal inode number */
+ __be64 lh_statfs_addr; /* Local statfs inode number */
+ __be64 lh_quota_addr; /* Local quota change inode number */
+
+ /* Statfs local changes (i.e. diff from global statfs) */
+ __be64 lh_local_total;
+ __be64 lh_local_free;
+ __be64 lh_local_dinodes;
};
/*