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authorSteven Whitehouse <swhiteho@redhat.com>2006-10-02 08:45:08 -0400
committerSteven Whitehouse <swhiteho@redhat.com>2006-10-02 08:45:08 -0400
commit59458f40e25915a355d8b1d701425fe9f4f9ea23 (patch)
treef1c9a2934df686e36d75f759ab7313b6f0e0e5f9 /fs/ext2
parent825f9075d74028d11d7f5932f04e1b5db3022b51 (diff)
parentd834c16516d1ebec4766fc58c059bf01311e6045 (diff)
Merge branch 'master' into gfs2
Diffstat (limited to 'fs/ext2')
-rw-r--r--fs/ext2/dir.c3
-rw-r--r--fs/ext2/ext2.h1
-rw-r--r--fs/ext2/file.c12
-rw-r--r--fs/ext2/ioctl.c32
-rw-r--r--fs/ext2/namei.c2
5 files changed, 45 insertions, 5 deletions
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index 92ea8265d7d..3e7a84a1e50 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -661,5 +661,8 @@ const struct file_operations ext2_dir_operations = {
.read = generic_read_dir,
.readdir = ext2_readdir,
.ioctl = ext2_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = ext2_compat_ioctl,
+#endif
.fsync = ext2_sync_file,
};
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index e65a019fc7a..c19ac153f56 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -137,6 +137,7 @@ extern void ext2_set_inode_flags(struct inode *inode);
/* ioctl.c */
extern int ext2_ioctl (struct inode *, struct file *, unsigned int,
unsigned long);
+extern long ext2_compat_ioctl(struct file *, unsigned int, unsigned long);
/* namei.c */
struct dentry *ext2_get_parent(struct dentry *child);
diff --git a/fs/ext2/file.c b/fs/ext2/file.c
index 23e2c7ccec1..2dba473c524 100644
--- a/fs/ext2/file.c
+++ b/fs/ext2/file.c
@@ -41,17 +41,18 @@ static int ext2_release_file (struct inode * inode, struct file * filp)
*/
const struct file_operations ext2_file_operations = {
.llseek = generic_file_llseek,
- .read = generic_file_read,
- .write = generic_file_write,
+ .read = do_sync_read,
+ .write = do_sync_write,
.aio_read = generic_file_aio_read,
.aio_write = generic_file_aio_write,
.ioctl = ext2_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = ext2_compat_ioctl,
+#endif
.mmap = generic_file_mmap,
.open = generic_file_open,
.release = ext2_release_file,
.fsync = ext2_sync_file,
- .readv = generic_file_readv,
- .writev = generic_file_writev,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
.splice_write = generic_file_splice_write,
@@ -63,6 +64,9 @@ const struct file_operations ext2_xip_file_operations = {
.read = xip_file_read,
.write = xip_file_write,
.ioctl = ext2_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = ext2_compat_ioctl,
+#endif
.mmap = xip_file_mmap,
.open = generic_file_open,
.release = ext2_release_file,
diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c
index 3ca9afdf713..1dfba77eab1 100644
--- a/fs/ext2/ioctl.c
+++ b/fs/ext2/ioctl.c
@@ -11,6 +11,8 @@
#include <linux/capability.h>
#include <linux/time.h>
#include <linux/sched.h>
+#include <linux/compat.h>
+#include <linux/smp_lock.h>
#include <asm/current.h>
#include <asm/uaccess.h>
@@ -80,3 +82,33 @@ int ext2_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
return -ENOTTY;
}
}
+
+#ifdef CONFIG_COMPAT
+long ext2_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ struct inode *inode = file->f_dentry->d_inode;
+ int ret;
+
+ /* These are just misnamed, they actually get/put from/to user an int */
+ switch (cmd) {
+ case EXT2_IOC32_GETFLAGS:
+ cmd = EXT2_IOC_GETFLAGS;
+ break;
+ case EXT2_IOC32_SETFLAGS:
+ cmd = EXT2_IOC_SETFLAGS;
+ break;
+ case EXT2_IOC32_GETVERSION:
+ cmd = EXT2_IOC_GETVERSION;
+ break;
+ case EXT2_IOC32_SETVERSION:
+ cmd = EXT2_IOC_SETVERSION;
+ break;
+ default:
+ return -ENOIOCTLCMD;
+ }
+ lock_kernel();
+ ret = ext2_ioctl(inode, file, cmd, (unsigned long) compat_ptr(arg));
+ unlock_kernel();
+ return ret;
+}
+#endif
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index 4ca82498532..e1af5b4cf80 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -326,7 +326,7 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
ext2_set_link(new_dir, new_de, new_page, old_inode);
new_inode->i_ctime = CURRENT_TIME_SEC;
if (dir_de)
- new_inode->i_nlink--;
+ drop_nlink(new_inode);
inode_dec_link_count(new_inode);
} else {
if (dir_de) {