linux-ext4 - Re: [PATCH] Compile warning fix when enable EXT

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Date:	Wed, 12 Aug 2009 09:10:27 -0700
From:	Mingming <cmm@...ibm.com>
To:	Eric Sandeen <sandeen@...hat.com>
Cc:	linux-ext4@...r.kernel.org, Theodore Tso <tytso@....edu>
Subject: Re: [PATCH] Compile warning fix when enable EXT_DEBUG

> > 
> > Index: linux-2.6.31-rc4/fs/ext4/extents.c
> > ===================================================================
> > --- linux-2.6.31-rc4.orig/fs/ext4/extents.c
> > +++ linux-2.6.31-rc4/fs/ext4/extents.c
> > @@ -2105,7 +2105,8 @@ ext4_ext_rm_leaf(handle_t *handle, struc
> >  		else
> >  			uninitialized = 0;
> >  
> > -		ext_debug("remove ext %lu:%u\n", ex_ee_block, ex_ee_len);
> > +		ext_debug("remove ext %u:[%d]%d\n", ex_ee_block,
> > +			 ext4_ext_is_uninitialized(ex), ex_ee_len);
> >  		path[depth].p_ext = ex;
> 
> Shouldn't part of this be in your next patch, [PATCH]Show unwritten
> extent flag in ext4_ext_show_leaf() ?
> 
> Thanks,
> -Eric

Updated patch.

When enable EXT_DEBUG I got the following compile warning on PPC64

  CC [M]  fs/ext4/inode.o
  CC [M]  fs/ext4/extents.o
fs/ext4/extents.c: In function ‘ext4_ext_rm_leaf’:
fs/ext4/extents.c:2097: warning: format ‘%lu’ expects type ‘long unsigned int’, but argument 2 has type ‘ext4_lblk_t’
fs/ext4/extents.c: In function ‘ext4_ext_get_blocks’:
fs/ext4/extents.c:2789: warning: format ‘%u’ expects type ‘unsigned int’, but argument 4 has type ‘long unsigned int’
fs/ext4/extents.c:2852: warning: format ‘%lu’ expects type ‘long unsigned int’, but argument 3 has type ‘ext4_lblk_t’
fs/ext4/extents.c:2953: warning: format ‘%lu’ expects type ‘long unsigned int’, but argument 4 has type ‘unsigned int’
  CC [M]  fs/ext4/migrate.o

The patch fixed compile warning.

Signed-off-by: Mingming Cao <cmm@...ibm.com>


Index: linux-2.6.31-rc4/fs/ext4/extents.c
===================================================================
--- linux-2.6.31-rc4.orig/fs/ext4/extents.c
+++ linux-2.6.31-rc4/fs/ext4/extents.c
@@ -2094,7 +2094,7 @@ ext4_ext_rm_leaf(handle_t *handle, struc
 		else
 			uninitialized = 0;
 
-		ext_debug("remove ext %lu:%u\n", ex_ee_block, ex_ee_len);
+		ext_debug("remove ext %u:%d\n", ex_ee_block, ex_ee_len);
 		path[depth].p_ext = ex;
 
 		a = ex_ee_block > start ? ex_ee_block : start;
@@ -2786,7 +2786,7 @@ int ext4_ext_get_blocks(handle_t *handle
 	struct ext4_allocation_request ar;
 
 	__clear_bit(BH_New, &bh_result->b_state);
-	ext_debug("blocks %u/%u requested for inode %u\n",
+	ext_debug("blocks %u/%u requested for inode %lu\n",
 			iblock, max_blocks, inode->i_ino);
 
 	/* check in cache */
@@ -2849,7 +2849,7 @@ int ext4_ext_get_blocks(handle_t *handle
 			newblock = iblock - ee_block + ee_start;
 			/* number of remaining blocks in the extent */
 			allocated = ee_len - (iblock - ee_block);
-			ext_debug("%u fit into %lu:%d -> %llu\n", iblock,
+			ext_debug("%u fit into %u:%d -> %llu\n", iblock,
 					ee_block, ee_len, newblock);
 
 			/* Do not put uninitialized extent in the cache */
@@ -2950,7 +2950,7 @@ int ext4_ext_get_blocks(handle_t *handle
 	newblock = ext4_mb_new_blocks(handle, &ar, &err);
 	if (!newblock)
 		goto out2;
-	ext_debug("allocate new block: goal %llu, found %llu/%lu\n",
+	ext_debug("allocate new block: goal %llu, found %llu/%u\n",
 		  ar.goal, newblock, allocated);
 
 	/* try to insert new extent into found leaf and return */


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