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--=_courier-19948-1046866735-0001-2 Content-Type: message/rfc822; name="Attempt 2: fix reiserfs memleaks on journal opening failures in 2.5.64" Content-Disposition: inline; filename="Attempt 2: fix reiserfs memleaks on journal opening failures in 2.5.64"
Return-Path: <green@namesys.com> Delivered-To: reiser@namesys.com Received: (qmail 7494 invoked from network); 5 Mar 2003 11:00:00 -0000 Received: from angband.namesys.com (postfix@212.16.7.85) by thebsh.namesys.com with SMTP; 5 Mar 2003 11:00:00 -0000 Received: by angband.namesys.com (Postfix on SuSE Linux 7.3 (i386), from userid 521) id 8652F4611FA; Wed, 5 Mar 2003 14:00:00 +0300 (MSK) Date: Wed, 5 Mar 2003 14:00:00 +0300 From: Oleg Drokin <green@namesys.com> To: reiser@namesys.com Subject: Attempt 2: fix reiserfs memleaks on journal opening failures in 2.5.64 Message-ID: <20030305140000.A30474@namesys.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline User-Agent: Mutt/1.3.22.1i
Hello!
This changesets forward-ports Chris Mason's fixes to free up allocated memory when we fail to open relocated journal in reiserfs. Also it adds new line marks in printed messages, when needed.
Please pull it from: bk://thebsh.namesys.com/bk/reiser3-linux-2.5-relocation-fix
Diffstat: journal.c | 76 +++++++++++++++++++++++++++++--------------------------------- 1 files changed, 36 insertions(+), 40 deletions(-)
Plain text patches: # 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 1.1085 -> 1.1086 # fs/reiserfs/journal.c 1.65 -> 1.66 # # The following is the BitKeeper ChangeSet Log # -------------------------------------------- # 03/03/05 green@angband.namesys.com 1.1086 # reiserfs: Correctly free all the allocated memory if open of the journal failed. # Also added \n to some error messages. # -------------------------------------------- # diff -Nru a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c --- a/fs/reiserfs/journal.c Wed Mar 5 13:58:36 2003 +++ b/fs/reiserfs/journal.c Wed Mar 5 13:58:36 2003 @@ -1310,6 +1310,10 @@ if (SB_JOURNAL(p_s_sb)->j_header_bh) { brelse(SB_JOURNAL(p_s_sb)->j_header_bh) ; } + /* j_header_bh is on the journal dev, make sure not to release the journal + * dev until we brelse j_header_bh + */ + release_journal_dev(p_s_sb, SB_JOURNAL(p_s_sb)); vfree(SB_JOURNAL(p_s_sb)) ; } @@ -1341,7 +1345,6 @@ commit_wq = NULL; } - release_journal_dev( p_s_sb, SB_JOURNAL( p_s_sb ) ); free_journal_ram(p_s_sb) ; return 0 ; @@ -1867,24 +1870,18 @@ int result; result = 0; - if( journal -> j_dev_file != NULL ) { - /* - * journal block device was taken via filp_open - */ result = filp_close( journal -> j_dev_file, NULL ); journal -> j_dev_file = NULL; journal -> j_dev_bd = NULL; } else if( journal -> j_dev_bd != NULL ) { - /* - * journal block device was taken via bdget and blkdev_get - */ result = blkdev_put( journal -> j_dev_bd, BDEV_FS ); journal -> j_dev_bd = NULL; } + if( result != 0 ) { - reiserfs_warning("sh-457: release_journal_dev: Cannot release journal device: %i", result ); + reiserfs_warning("sh-457: release_journal_dev: Cannot release journal device: %i\n", result ); } return result; } @@ -1895,6 +1892,7 @@ { int result; dev_t jdev; + int blkdev_mode = FMODE_READ | FMODE_WRITE; result = 0; @@ -1902,12 +1900,16 @@ journal -> j_dev_file = NULL; jdev = SB_ONDISK_JOURNAL_DEVICE( super ) ? SB_ONDISK_JOURNAL_DEVICE( super ) : super->s_dev; + + if (bdev_read_only(super->s_bdev)) + blkdev_mode = FMODE_READ; + /* there is no "jdev" option and journal is on separate device */ if( ( !jdev_name || !jdev_name[ 0 ] ) ) { journal -> j_dev_bd = bdget(jdev); if( journal -> j_dev_bd ) result = blkdev_get( journal -> j_dev_bd, - FMODE_READ | FMODE_WRITE, 0, + blkdev_mode, 0, BDEV_FS ); else result = -ENOMEM; @@ -1928,10 +1930,10 @@ jdev_inode = journal -> j_dev_file -> f_dentry -> d_inode; journal -> j_dev_bd = jdev_inode -> i_bdev; if( !S_ISBLK( jdev_inode -> i_mode ) ) { - printk( "journal_init_dev: '%s' is not a block device", jdev_name ); + printk( "journal_init_dev: '%s' is not a block device\n", jdev_name ); result = -ENOTBLK; } else if( jdev_inode -> i_bdev == NULL ) { - printk( "journal_init_dev: bdev uninitialized for '%s'", jdev_name ); + printk( "journal_init_dev: bdev uninitialized for '%s'\n", jdev_name ); result = -ENOMEM; } else { /* ok */ @@ -1941,12 +1943,12 @@ } else { result = PTR_ERR( journal -> j_dev_file ); journal -> j_dev_file = NULL; - printk( "journal_init_dev: Cannot open '%s': %i", jdev_name, result ); + printk( "journal_init_dev: Cannot open '%s': %i\n", jdev_name, result ); } if( result != 0 ) { release_journal_dev( super, journal ); } - printk( "journal_init_dev: journal device: %s", bdevname(journal->j_dev_bd)); + printk( "journal_init_dev: journal device: %s\n", bdevname(journal->j_dev_bd)); return result; } @@ -1960,20 +1962,24 @@ struct reiserfs_journal_header *jh; struct reiserfs_journal *journal; - if (sizeof(struct reiserfs_journal_commit) != 4096 || - sizeof(struct reiserfs_journal_desc) != 4096 - ) { - printk("journal-1249: commit or desc struct not 4096 %Zd %Zd\n", sizeof(struct reiserfs_journal_commit), + if (sizeof(struct reiserfs_journal_commit) != 4096 || + sizeof(struct reiserfs_journal_desc) != 4096) { + printk("journal-1249: commit or desc struct not 4096 %Zd %Zd\n", sizeof(struct reiserfs_journal_commit), sizeof(struct reiserfs_journal_desc)) ; - return 1 ; - } + return 1 ; + } journal = SB_JOURNAL(p_s_sb) = vmalloc(sizeof (struct reiserfs_journal)) ; if (!journal) { printk("journal-1256: unable to get memory for journal structure\n") ; - return 1 ; - } + return 1 ; + } memset(journal, 0, sizeof(struct reiserfs_journal)) ; + INIT_LIST_HEAD(&SB_JOURNAL(p_s_sb)->j_bitmap_nodes) ; + INIT_LIST_HEAD (&SB_JOURNAL(p_s_sb)->j_prealloc_list); + reiserfs_allocate_list_bitmaps(p_s_sb, SB_JOURNAL(p_s_sb)->j_list_bitmap, + SB_BMAP_NR(p_s_sb)) ; + allocate_bitmap_nodes(p_s_sb) ; /* reserved for journal area support */ SB_JOURNAL_1st_RESERVED_BLOCK(p_s_sb) = (old_format ? @@ -1983,7 +1989,7 @@ if( journal_init_dev( p_s_sb, journal, j_dev_name ) != 0 ) { printk( "sh-462: unable to initialize jornal device\n"); - return 1; + goto free_and_return; } rs = SB_DISK_SUPER_BLOCK(p_s_sb); @@ -1993,8 +1999,7 @@ SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) + SB_ONDISK_JOURNAL_SIZE(p_s_sb)); if (!bhjh) { printk("sh-459: unable to read journal header\n") ; - release_journal_dev(p_s_sb, journal); - return 1 ; + goto free_and_return; } jh = (struct reiserfs_journal_header *)(bhjh->b_data); @@ -2005,8 +2010,7 @@ jh->jh_journal.jp_journal_magic, bdevname( SB_JOURNAL(p_s_sb)->j_dev_bd ), sb_jp_journal_magic(rs), reiserfs_bdevname (p_s_sb)); brelse (bhjh); - release_journal_dev(p_s_sb, journal); - return 1 ; + goto free_and_return; } SB_JOURNAL_TRANS_MAX(p_s_sb) = le32_to_cpu (jh->jh_journal.jp_journal_trans_max); @@ -2064,7 +2068,6 @@ brelse (bhjh); - SB_JOURNAL(p_s_sb)->j_list_bitmap_index = 0 ; SB_JOURNAL_LIST_INDEX(p_s_sb) = -10000 ; /* make sure flush_old_commits does not try to flush a list while replay is on */ @@ -2075,12 +2078,8 @@ memset(SB_JOURNAL(p_s_sb)->j_list_hash_table, 0, JOURNAL_HASH_SIZE * sizeof(struct reiserfs_journal_cnode *)) ; memset(journal_writers, 0, sizeof(char *) * 512) ; /* debug code */ - INIT_LIST_HEAD(&SB_JOURNAL(p_s_sb)->j_bitmap_nodes) ; INIT_LIST_HEAD(&SB_JOURNAL(p_s_sb)->j_dirty_buffers) ; spin_lock_init(&SB_JOURNAL(p_s_sb)->j_dirty_buffers_lock) ; - reiserfs_allocate_list_bitmaps(p_s_sb, SB_JOURNAL(p_s_sb)->j_list_bitmap, - SB_BMAP_NR(p_s_sb)) ; - allocate_bitmap_nodes(p_s_sb) ; SB_JOURNAL(p_s_sb)->j_start = 0 ; SB_JOURNAL(p_s_sb)->j_len = 0 ; @@ -2107,20 +2106,15 @@ 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 ; + goto free_and_return; } 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 ; + goto free_and_return; } SB_JOURNAL_LIST_INDEX(p_s_sb) = 0 ; /* once the read is done, we can set this where it belongs */ - INIT_LIST_HEAD (&SB_JOURNAL(p_s_sb)->j_prealloc_list); - if (reiserfs_dont_log (p_s_sb)) return 0; @@ -2129,7 +2123,9 @@ commit_wq = create_workqueue("reiserfs"); return 0 ; - +free_and_return: + free_journal_ram(p_s_sb); + return 1; } /*
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