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authorIngo Molnar <mingo@elte.hu>2006-03-26 04:37:12 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-26 11:56:55 -0500
commit353ab6e97b8f209dbecc9f650f1f84e3da2a7bb1 (patch)
treebffabd9a5a493ffd2b41dd825e71e848ca6ba6d7 /fs/jffs2/compr_zlib.c
parente655a250d5fc12b6dfe0d436180ba4a3bfffdc9f (diff)
[PATCH] sem2mutex: fs/
Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Eric Van Hensbergen <ericvh@ericvh.myip.org> Cc: Robert Love <rml@tech9.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Neil Brown <neilb@cse.unsw.edu.au> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/jffs2/compr_zlib.c')
-rw-r--r--fs/jffs2/compr_zlib.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/fs/jffs2/compr_zlib.c b/fs/jffs2/compr_zlib.c
index 4db8be8e90cc..5c63e0cdcf4c 100644
--- a/fs/jffs2/compr_zlib.c
+++ b/fs/jffs2/compr_zlib.c
@@ -33,13 +33,14 @@
33 */ 33 */
34#define STREAM_END_SPACE 12 34#define STREAM_END_SPACE 12
35 35
36static DECLARE_MUTEX(deflate_sem); 36static DEFINE_MUTEX(deflate_mutex);
37static DECLARE_MUTEX(inflate_sem); 37static DEFINE_MUTEX(inflate_mutex);
38static z_stream inf_strm, def_strm; 38static z_stream inf_strm, def_strm;
39 39
40#ifdef __KERNEL__ /* Linux-only */ 40#ifdef __KERNEL__ /* Linux-only */
41#include <linux/vmalloc.h> 41#include <linux/vmalloc.h>
42#include <linux/init.h> 42#include <linux/init.h>
43#include <linux/mutex.h>
43 44
44static int __init alloc_workspaces(void) 45static int __init alloc_workspaces(void)
45{ 46{
@@ -79,11 +80,11 @@ static int jffs2_zlib_compress(unsigned char *data_in,
79 if (*dstlen <= STREAM_END_SPACE) 80 if (*dstlen <= STREAM_END_SPACE)
80 return -1; 81 return -1;
81 82
82 down(&deflate_sem); 83 mutex_lock(&deflate_mutex);
83 84
84 if (Z_OK != zlib_deflateInit(&def_strm, 3)) { 85 if (Z_OK != zlib_deflateInit(&def_strm, 3)) {
85 printk(KERN_WARNING "deflateInit failed\n"); 86 printk(KERN_WARNING "deflateInit failed\n");
86 up(&deflate_sem); 87 mutex_unlock(&deflate_mutex);
87 return -1; 88 return -1;
88 } 89 }
89 90
@@ -104,7 +105,7 @@ static int jffs2_zlib_compress(unsigned char *data_in,
104 if (ret != Z_OK) { 105 if (ret != Z_OK) {
105 D1(printk(KERN_DEBUG "deflate in loop returned %d\n", ret)); 106 D1(printk(KERN_DEBUG "deflate in loop returned %d\n", ret));
106 zlib_deflateEnd(&def_strm); 107 zlib_deflateEnd(&def_strm);
107 up(&deflate_sem); 108 mutex_unlock(&deflate_mutex);
108 return -1; 109 return -1;
109 } 110 }
110 } 111 }
@@ -133,7 +134,7 @@ static int jffs2_zlib_compress(unsigned char *data_in,
133 *sourcelen = def_strm.total_in; 134 *sourcelen = def_strm.total_in;
134 ret = 0; 135 ret = 0;
135 out: 136 out:
136 up(&deflate_sem); 137 mutex_unlock(&deflate_mutex);
137 return ret; 138 return ret;
138} 139}
139 140
@@ -145,7 +146,7 @@ static int jffs2_zlib_decompress(unsigned char *data_in,
145 int ret; 146 int ret;
146 int wbits = MAX_WBITS; 147 int wbits = MAX_WBITS;
147 148
148 down(&inflate_sem); 149 mutex_lock(&inflate_mutex);
149 150
150 inf_strm.next_in = data_in; 151 inf_strm.next_in = data_in;
151 inf_strm.avail_in = srclen; 152 inf_strm.avail_in = srclen;
@@ -173,7 +174,7 @@ static int jffs2_zlib_decompress(unsigned char *data_in,
173 174
174 if (Z_OK != zlib_inflateInit2(&inf_strm, wbits)) { 175 if (Z_OK != zlib_inflateInit2(&inf_strm, wbits)) {
175 printk(KERN_WARNING "inflateInit failed\n"); 176 printk(KERN_WARNING "inflateInit failed\n");
176 up(&inflate_sem); 177 mutex_unlock(&inflate_mutex);
177 return 1; 178 return 1;
178 } 179 }
179 180
@@ -183,7 +184,7 @@ static int jffs2_zlib_decompress(unsigned char *data_in,
183 printk(KERN_NOTICE "inflate returned %d\n", ret); 184 printk(KERN_NOTICE "inflate returned %d\n", ret);
184 } 185 }
185 zlib_inflateEnd(&inf_strm); 186 zlib_inflateEnd(&inf_strm);
186 up(&inflate_sem); 187 mutex_unlock(&inflate_mutex);
187 return 0; 188 return 0;
188} 189}
189 190