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authorGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
committerGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
commitc71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch)
treeecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /fs/reiserfs/ioctl.c
parentea53c912f8a86a8567697115b6a0d8152beee5c8 (diff)
parent6a00f206debf8a5c8899055726ad127dbeeed098 (diff)
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts: litmus/sched_cedf.c
Diffstat (limited to 'fs/reiserfs/ioctl.c')
-rw-r--r--fs/reiserfs/ioctl.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c
index 5cbb81e134ac..4e153051bc75 100644
--- a/fs/reiserfs/ioctl.c
+++ b/fs/reiserfs/ioctl.c
@@ -9,7 +9,6 @@
9#include <linux/time.h> 9#include <linux/time.h>
10#include <asm/uaccess.h> 10#include <asm/uaccess.h>
11#include <linux/pagemap.h> 11#include <linux/pagemap.h>
12#include <linux/smp_lock.h>
13#include <linux/compat.h> 12#include <linux/compat.h>
14 13
15/* 14/*
@@ -60,7 +59,7 @@ long reiserfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
60 if (err) 59 if (err)
61 break; 60 break;
62 61
63 if (!is_owner_or_cap(inode)) { 62 if (!inode_owner_or_capable(inode)) {
64 err = -EPERM; 63 err = -EPERM;
65 goto setflags_out; 64 goto setflags_out;
66 } 65 }
@@ -104,7 +103,7 @@ setflags_out:
104 err = put_user(inode->i_generation, (int __user *)arg); 103 err = put_user(inode->i_generation, (int __user *)arg);
105 break; 104 break;
106 case REISERFS_IOC_SETVERSION: 105 case REISERFS_IOC_SETVERSION:
107 if (!is_owner_or_cap(inode)) { 106 if (!inode_owner_or_capable(inode)) {
108 err = -EPERM; 107 err = -EPERM;
109 break; 108 break;
110 } 109 }
@@ -160,8 +159,6 @@ long reiserfs_compat_ioctl(struct file *file, unsigned int cmd,
160 159
161int reiserfs_commit_write(struct file *f, struct page *page, 160int reiserfs_commit_write(struct file *f, struct page *page,
162 unsigned from, unsigned to); 161 unsigned from, unsigned to);
163int reiserfs_prepare_write(struct file *f, struct page *page,
164 unsigned from, unsigned to);
165/* 162/*
166** reiserfs_unpack 163** reiserfs_unpack
167** Function try to convert tail from direct item into indirect. 164** Function try to convert tail from direct item into indirect.
@@ -186,12 +183,11 @@ int reiserfs_unpack(struct inode *inode, struct file *filp)
186 return 0; 183 return 0;
187 } 184 }
188 185
189 /* we need to make sure nobody is changing the file size beneath
190 ** us
191 */
192 reiserfs_mutex_lock_safe(&inode->i_mutex, inode->i_sb);
193 depth = reiserfs_write_lock_once(inode->i_sb); 186 depth = reiserfs_write_lock_once(inode->i_sb);
194 187
188 /* we need to make sure nobody is changing the file size beneath us */
189 reiserfs_mutex_lock_safe(&inode->i_mutex, inode->i_sb);
190
195 write_from = inode->i_size & (blocksize - 1); 191 write_from = inode->i_size & (blocksize - 1);
196 /* if we are on a block boundary, we are already unpacked. */ 192 /* if we are on a block boundary, we are already unpacked. */
197 if (write_from == 0) { 193 if (write_from == 0) {
@@ -200,7 +196,7 @@ int reiserfs_unpack(struct inode *inode, struct file *filp)
200 } 196 }
201 197
202 /* we unpack by finding the page with the tail, and calling 198 /* we unpack by finding the page with the tail, and calling
203 ** reiserfs_prepare_write on that page. This will force a 199 ** __reiserfs_write_begin on that page. This will force a
204 ** reiserfs_get_block to unpack the tail for us. 200 ** reiserfs_get_block to unpack the tail for us.
205 */ 201 */
206 index = inode->i_size >> PAGE_CACHE_SHIFT; 202 index = inode->i_size >> PAGE_CACHE_SHIFT;
@@ -210,7 +206,7 @@ int reiserfs_unpack(struct inode *inode, struct file *filp)
210 if (!page) { 206 if (!page) {
211 goto out; 207 goto out;
212 } 208 }
213 retval = reiserfs_prepare_write(NULL, page, write_from, write_from); 209 retval = __reiserfs_write_begin(page, write_from, 0);
214 if (retval) 210 if (retval)
215 goto out_unlock; 211 goto out_unlock;
216 212