rpms/kernel/devel git-gregkh.patch, NONE, 1.1 kernel-2.6.spec, 1.2530, 1.2531

fedora-cvs-commits at redhat.com fedora-cvs-commits at redhat.com
Tue Aug 8 19:28:11 UTC 2006


Author: davej

Update of /cvs/dist/rpms/kernel/devel
In directory cvs.devel.redhat.com:/tmp/cvs-serv14405

Modified Files:
	kernel-2.6.spec 
Added Files:
	git-gregkh.patch 
Log Message:
GregKH's bits du jour.


git-gregkh.patch:
 Makefile                       |   23 ++++++-
 drivers/s390/char/tape_class.c |    2 
 drivers/s390/cio/device_fsm.c  |    1 
 drivers/s390/cio/device_ops.c  |    3 +
 fs/jfs/inode.c                 |   16 +----
 fs/jfs/jfs_inode.h             |    1 
 fs/jfs/super.c                 |  118 +++++++++++++++++++++++++++++++++++++++--
 usr/Makefile                   |    3 +
 8 files changed, 146 insertions(+), 21 deletions(-)

--- NEW FILE git-gregkh.patch ---
diff --git a/Makefile b/Makefile
index c2f78a5..c53ed56 100644
--- a/Makefile
+++ b/Makefile
@@ -436,12 +436,13 @@ core-y		:= usr/
 endif # KBUILD_EXTMOD
 
 ifeq ($(dot-config),1)
-# In this section, we need .config
+# Read in config
+-include include/config/auto.conf
 
+ifeq ($(KBUILD_EXTMOD),)
 # Read in dependencies to all Kconfig* files, make sure to run
 # oldconfig if changes are detected.
 -include include/config/auto.conf.cmd
--include include/config/auto.conf
 
 # To avoid any implicit rule to kick in, define an empty command
 $(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;
@@ -451,16 +452,27 @@ # with it and forgot to run make oldconf
 # if auto.conf.cmd is missing then we are probably in a cleaned tree so
 # we execute the config step to be sure to catch updated Kconfig files
 include/config/auto.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
-ifeq ($(KBUILD_EXTMOD),)
 	$(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig
 else
-	$(error kernel configuration not valid - run 'make prepare' in $(srctree) to update it)
-endif
+# external modules needs include/linux/autoconf.h and include/config/auto.conf
+# but do not care if they are up-to-date. Use auto.conf to trigger the test
+PHONY += include/config/auto.conf
+
+include/config/auto.conf:
+	$(Q)test -e include/linux/autoconf.h -a -e $@ || (		\
+	echo;								\
+	echo "  ERROR: Kernel configuration is invalid.";		\
+	echo "         include/linux/autoconf.h or $@ are missing.";	\
+	echo "         Run 'make oldconfig && make prepare' on kernel src to fix it.";	\
+	echo;								\
+	/bin/false)
+
+endif # KBUILD_EXTMOD
 
 else
 # Dummy target needed, because used as prerequisite
 include/config/auto.conf: ;
-endif
+endif # $(dot-config)
 
 # The all: target is the default when no target is given on the
 # command line.
diff --git a/drivers/s390/char/tape_class.c b/drivers/s390/char/tape_class.c
index 643b6d0..56b8761 100644
--- a/drivers/s390/char/tape_class.c
+++ b/drivers/s390/char/tape_class.c
@@ -76,7 +76,7 @@ struct tape_class_device *register_tape_
 				device,
 				"%s", tcd->device_name
 			);
-	rc = PTR_ERR(tcd->class_device);
+	rc = IS_ERR(tcd->class_device) ? PTR_ERR(tcd->class_device) : 0;
 	if (rc)
 		goto fail_with_cdev;
 	rc = sysfs_create_link(
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 7a39e0b..6d91c2e 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -772,6 +772,7 @@ ccw_device_online_verify(struct ccw_devi
 	stsch(sch->schid, &sch->schib);
 
 	if (sch->schib.scsw.actl != 0 ||
+	    (sch->schib.scsw.stctl & SCSW_STCTL_STATUS_PEND) ||
 	    (cdev->private->irb.scsw.stctl & SCSW_STCTL_STATUS_PEND)) {
 		/*
 		 * No final status yet or final status not yet delivered
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index a601242..9e3de0b 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -263,6 +263,9 @@ ccw_device_wake_up(struct ccw_device *cd
 	/* Abuse intparm for error reporting. */
 	if (IS_ERR(irb))
 		cdev->private->intparm = -EIO;
+	else if (irb->scsw.cc == 1)
+		/* Retry for deferred condition code. */
+		cdev->private->intparm = -EAGAIN;
 	else if ((irb->scsw.dstat !=
 		  (DEV_STAT_CHN_END|DEV_STAT_DEV_END)) ||
 		 (irb->scsw.cstat != 0)) {
diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
index 43e3f56..a223cf4 100644
--- a/fs/jfs/inode.c
+++ b/fs/jfs/inode.c
@@ -168,16 +168,15 @@ void jfs_dirty_inode(struct inode *inode
 	set_cflag(COMMIT_Dirty, inode);
 }
 
-static int
-jfs_get_blocks(struct inode *ip, sector_t lblock, unsigned long max_blocks,
-			struct buffer_head *bh_result, int create)
+int jfs_get_block(struct inode *ip, sector_t lblock,
+		  struct buffer_head *bh_result, int create)
 {
 	s64 lblock64 = lblock;
 	int rc = 0;
 	xad_t xad;
 	s64 xaddr;
 	int xflag;
-	s32 xlen = max_blocks;
+	s32 xlen = bh_result->b_size >> ip->i_blkbits;
 
 	/*
 	 * Take appropriate lock on inode
@@ -188,7 +187,7 @@ jfs_get_blocks(struct inode *ip, sector_
 		IREAD_LOCK(ip);
 
 	if (((lblock64 << ip->i_sb->s_blocksize_bits) < ip->i_size) &&
-	    (!xtLookup(ip, lblock64, max_blocks, &xflag, &xaddr, &xlen, 0)) &&
+	    (!xtLookup(ip, lblock64, xlen, &xflag, &xaddr, &xlen, 0)) &&
 	    xaddr) {
 		if (xflag & XAD_NOTRECORDED) {
 			if (!create)
@@ -255,13 +254,6 @@ #endif				/* _JFS_4K */
 	return rc;
 }
 
-static int jfs_get_block(struct inode *ip, sector_t lblock,
-			 struct buffer_head *bh_result, int create)
-{
-	return jfs_get_blocks(ip, lblock, bh_result->b_size >> ip->i_blkbits,
-			bh_result, create);
-}
-
 static int jfs_writepage(struct page *page, struct writeback_control *wbc)
 {
 	return nobh_writepage(page, jfs_get_block, wbc);
diff --git a/fs/jfs/jfs_inode.h b/fs/jfs/jfs_inode.h
index b5c7da6..1fc48df 100644
--- a/fs/jfs/jfs_inode.h
+++ b/fs/jfs/jfs_inode.h
@@ -32,6 +32,7 @@ extern void jfs_truncate_nolock(struct i
 extern void jfs_free_zero_link(struct inode *);
 extern struct dentry *jfs_get_parent(struct dentry *dentry);
 extern void jfs_set_inode_flags(struct inode *);
+extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
 
 extern const struct address_space_operations jfs_aops;
 extern struct inode_operations jfs_dir_inode_operations;
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 4f6cfeb..143bcd1 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -26,6 +26,7 @@ #include <linux/mount.h>
 #include <linux/moduleparam.h>
 #include <linux/kthread.h>
 #include <linux/posix_acl.h>
+#include <linux/buffer_head.h>
 #include <asm/uaccess.h>
 #include <linux/seq_file.h>
 
@@ -298,7 +299,7 @@ static int parse_options(char *options, 
 			break;
 		}
 
-#if defined(CONFIG_QUOTA)
+#ifdef CONFIG_QUOTA
 		case Opt_quota:
 		case Opt_usrquota:
 			*flag |= JFS_USRQUOTA;
@@ -597,7 +598,7 @@ static int jfs_show_options(struct seq_f
 	if (sbi->flag & JFS_NOINTEGRITY)
 		seq_puts(seq, ",nointegrity");
 
-#if defined(CONFIG_QUOTA)
+#ifdef CONFIG_QUOTA
 	if (sbi->flag & JFS_USRQUOTA)
 		seq_puts(seq, ",usrquota");
 
@@ -608,6 +609,113 @@ #endif
 	return 0;
 }
 
+#ifdef CONFIG_QUOTA
+
+/* Read data from quotafile - avoid pagecache and such because we cannot afford
+ * acquiring the locks... As quota files are never truncated and quota code
+ * itself serializes the operations (and noone else should touch the files)
+ * we don't have to be afraid of races */
+static ssize_t jfs_quota_read(struct super_block *sb, int type, char *data,
+			      size_t len, loff_t off)
+{
+	struct inode *inode = sb_dqopt(sb)->files[type];
+	sector_t blk = off >> sb->s_blocksize_bits;
+	int err = 0;
+	int offset = off & (sb->s_blocksize - 1);
+	int tocopy;
+	size_t toread;
+	struct buffer_head tmp_bh;
+	struct buffer_head *bh;
+	loff_t i_size = i_size_read(inode);
+
+	if (off > i_size)
+		return 0;
+	if (off+len > i_size)
+		len = i_size-off;
+	toread = len;
+	while (toread > 0) {
+		tocopy = sb->s_blocksize - offset < toread ?
+				sb->s_blocksize - offset : toread;
+
+		tmp_bh.b_state = 0;
+		tmp_bh.b_size = 1 << inode->i_blkbits;
+		err = jfs_get_block(inode, blk, &tmp_bh, 0);
+		if (err)
+			return err;
+		if (!buffer_mapped(&tmp_bh))	/* A hole? */
+			memset(data, 0, tocopy);
+		else {
+			bh = sb_bread(sb, tmp_bh.b_blocknr);
+			if (!bh)
+				return -EIO;
+			memcpy(data, bh->b_data+offset, tocopy);
+			brelse(bh);
+		}
+		offset = 0;
+		toread -= tocopy;
+		data += tocopy;
+		blk++;
+	}
+	return len;
+}
+
+/* Write to quotafile */
+static ssize_t jfs_quota_write(struct super_block *sb, int type,
+			       const char *data, size_t len, loff_t off)
+{
+	struct inode *inode = sb_dqopt(sb)->files[type];
+	sector_t blk = off >> sb->s_blocksize_bits;
+	int err = 0;
+	int offset = off & (sb->s_blocksize - 1);
+	int tocopy;
+	size_t towrite = len;
+	struct buffer_head tmp_bh;
+	struct buffer_head *bh;
+
+	mutex_lock(&inode->i_mutex);
+	while (towrite > 0) {
+		tocopy = sb->s_blocksize - offset < towrite ?
+				sb->s_blocksize - offset : towrite;
+
+		tmp_bh.b_state = 0;
+		tmp_bh.b_size = 1 << inode->i_blkbits;
+		err = jfs_get_block(inode, blk, &tmp_bh, 1);
+		if (err)
+			goto out;
+		if (offset || tocopy != sb->s_blocksize)
+			bh = sb_bread(sb, tmp_bh.b_blocknr);
+		else
+			bh = sb_getblk(sb, tmp_bh.b_blocknr);
+		if (!bh) {
+			err = -EIO;
+			goto out;
+		}
+		lock_buffer(bh);
+		memcpy(bh->b_data+offset, data, tocopy);
+		flush_dcache_page(bh->b_page);
+		set_buffer_uptodate(bh);
+		mark_buffer_dirty(bh);
+		unlock_buffer(bh);
+		brelse(bh);
+		offset = 0;
+		towrite -= tocopy;
+		data += tocopy;
+		blk++;
+	}
+out:
+	if (len == towrite)
+		return err;
+	if (inode->i_size < off+len-towrite)
+		i_size_write(inode, off+len-towrite);
+	inode->i_version++;
+	inode->i_mtime = inode->i_ctime = CURRENT_TIME;
+	mark_inode_dirty(inode);
+	mutex_unlock(&inode->i_mutex);
+	return len - towrite;
+}
+
+#endif
+
 static struct super_operations jfs_super_operations = {
 	.alloc_inode	= jfs_alloc_inode,
 	.destroy_inode	= jfs_destroy_inode,
@@ -621,7 +729,11 @@ static struct super_operations jfs_super
 	.unlockfs       = jfs_unlockfs,
 	.statfs		= jfs_statfs,
 	.remount_fs	= jfs_remount,
-	.show_options	= jfs_show_options
+	.show_options	= jfs_show_options,
+#ifdef CONFIG_QUOTA
+	.quota_read	= jfs_quota_read,
+	.quota_write	= jfs_quota_write,
+#endif
 };
 
 static struct export_operations jfs_export_operations = {
diff --git a/usr/Makefile b/usr/Makefile
index e938242..5b31c0b 100644
--- a/usr/Makefile
+++ b/usr/Makefile
@@ -35,6 +35,9 @@ quiet_cmd_initfs = GEN     $@
       cmd_initfs = $(initramfs) -o $@ $(ramfs-args) $(ramfs-input)
 
 targets := initramfs_data.cpio.gz
+# do not try to update files included in initramfs
+$(deps_initramfs): ;
+
 $(deps_initramfs): klibcdirs
 # We rebuild initramfs_data.cpio.gz if:
 # 1) Any included file is newer then initramfs_data.cpio.gz


Index: kernel-2.6.spec
===================================================================
RCS file: /cvs/dist/rpms/kernel/devel/kernel-2.6.spec,v
retrieving revision 1.2530
retrieving revision 1.2531
diff -u -r1.2530 -r1.2531
--- kernel-2.6.spec	7 Aug 2006 19:07:44 -0000	1.2530
+++ kernel-2.6.spec	8 Aug 2006 19:28:09 -0000	1.2531
@@ -264,6 +264,7 @@
 # Patches 0 through 100 are meant for core subsystem upgrades
 #
 Patch1: patch-2.6.18-rc4.bz2
+Patch2: git-gregkh.patch
 
 # Patches 10 through 99 are for things that are going upstream really soon.
 Patch10: linux-2.6-utrace.patch
@@ -710,6 +711,7 @@
 
 # Update to latest upstream.
 %patch1 -p1
+%patch2 -p1
 
 # Patches 10 through 100 are meant for core subsystem upgrades
 
@@ -1691,6 +1693,9 @@
 %endif
 
 %changelog
+* Tue Aug  8 2006 Dave Jones <davej at redhat.com>
+- Pull post-rc4 fixes from GregKH's git tree.
+
 * Mon Aug  7 2006 Dave Jones <davej at redhat.com>
 - 2.6.18rc4
 




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