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Diffstat:
journal.c | 29 +++++++++++++----------------
1 files changed, 13 insertions(+), 16 deletions(-)
Patch:
# This is a BitKeeper generated patch for the following project:
# Project Name: Linux kernel tree
# This patch format is intended for GNU patch command version 2.5 or higher.
# This patch includes the following deltas:
# ChangeSet 1.588 -> 1.589
# fs/reiserfs/journal.c 1.31 -> 1.34
#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 02/04/05 green@angband.namesys.com 1.589
# journal.c:
# Remove confusing warning about journal replay on readonly FS
# Fixed journal replay bug where old code would replay transactions with
# mount_id != mount_id recorded in journal header.
# (by Chris Mason)
# Release journal device in case we have encountered some errors reading
# journal.
# --------------------------------------------
#
diff -Nru a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
--- a/fs/reiserfs/journal.c Fri Apr 5 14:20:51 2002
+++ b/fs/reiserfs/journal.c Fri Apr 5 14:20:51 2002
@@ -1637,11 +1637,9 @@
}
static int journal_read(struct super_block *p_s_sb) {
struct reiserfs_journal_desc *desc ;
- unsigned long last_flush_trans_id = 0 ;
unsigned long oldest_trans_id = 0;
unsigned long oldest_invalid_trans_id = 0 ;
time_t start ;
- unsigned long last_flush_start = 0;
unsigned long oldest_start = 0;
unsigned long cur_dblock = 0 ;
unsigned long newest_mount_id = 9 ;
@@ -1672,13 +1670,14 @@
if (le32_to_cpu(jh->j_first_unflushed_offset) >= 0 &&
le32_to_cpu(jh->j_first_unflushed_offset) < SB_ONDISK_JOURNAL_SIZE(p_s_sb) &&
le32_to_cpu(jh->j_last_flush_trans_id) > 0) {
- last_flush_start = SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
+ oldest_start = SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
le32_to_cpu(jh->j_first_unflushed_offset) ;
- last_flush_trans_id = le32_to_cpu(jh->j_last_flush_trans_id) ;
+ oldest_trans_id = le32_to_cpu(jh->j_last_flush_trans_id) + 1;
+ newest_mount_id = le32_to_cpu(jh->j_mount_id);
reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE, "journal-1153: found in "
"header: first_unflushed_offset %d, last_flushed_trans_id "
"%lu\n", le32_to_cpu(jh->j_first_unflushed_offset),
- last_flush_trans_id) ;
+ le32_to_cpu(jh->j_last_flush_trans_id)) ;
valid_journal_header = 1 ;
/* now, we try to read the first unflushed offset. If it is not valid,
@@ -1691,15 +1690,13 @@
continue_replay = 0 ;
}
brelse(d_bh) ;
+ goto start_log_replay;
}
if (continue_replay && is_read_only(p_s_sb->s_dev)) {
printk("clm-2076: device is readonly, unable to replay log\n") ;
return -1 ;
}
- if (continue_replay && (p_s_sb->s_flags & MS_RDONLY)) {
- printk("Warning, log replay starting on readonly filesystem\n") ;
- }
/* ok, there are transactions that need to be replayed. start with the first log block, find
** all the valid transactions, and pick out the oldest.
@@ -1733,17 +1730,13 @@
"newest_mount_id to %d\n", le32_to_cpu(desc->j_mount_id));
}
cur_dblock += le32_to_cpu(desc->j_len) + 2 ;
- }
- else {
+ } else {
cur_dblock++ ;
}
brelse(d_bh) ;
}
- /* step three, starting at the oldest transaction, replay */
- if (last_flush_start > 0) {
- oldest_start = last_flush_start ;
- oldest_trans_id = last_flush_trans_id + 1 ;
- }
+
+start_log_replay:
cur_dblock = oldest_start ;
if (oldest_trans_id) {
reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE, "journal-1206: Starting replay "
@@ -2037,6 +2030,7 @@
SB_BLOCKSIZE(p_s_sb));
if (!bhjh) {
printk("sh-459: unable to read journal header\n") ;
+ release_journal_dev(p_s_sb, journal);
return 1 ;
}
jh = (struct reiserfs_journal_header *)(bhjh->b_data);
@@ -2053,7 +2047,8 @@
jh->jh_journal.jp_journal_magic, jname,
sb_jp_journal_magic(rs), fname);
brelse (bhjh);
- return 1 ;
+ release_journal_dev(p_s_sb, journal);
+ return 1 ;
}
SB_JOURNAL_TRANS_MAX(p_s_sb) = le32_to_cpu (jh->jh_journal.jp_journal_trans_max);
@@ -2153,11 +2148,13 @@
SB_JOURNAL_LIST(p_s_sb)[0].j_list_bitmap = get_list_bitmap(p_s_sb, SB_JOURNAL_LIST(p_s_sb)) ;
if (!(SB_JOURNAL_LIST(p_s_sb)[0].j_list_bitmap)) {
reiserfs_warning("journal-2005, get_list_bitmap failed for journal list 0\n") ;
+ release_journal_dev(p_s_sb, journal);
return 1 ;
}
if (journal_read(p_s_sb) < 0) {
reiserfs_warning("Replay Failure, unable to mount\n") ;
free_journal_ram(p_s_sb) ;
+ release_journal_dev(p_s_sb, journal);
return 1 ;
}
SB_JOURNAL_LIST_INDEX(p_s_sb) = 0 ; /* once the read is done, we can set this
BK changeset:
This BitKeeper patch contains the following changesets:
1.589
## Wrapped with gzip_uu ##
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end
-
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