DSS2: Add sysfs entry to for the alpha blending support.

[pandora-kernel.git] / fs / fat / file.c

diff --git a/fs/fat/file.c b/fs/fat/file.c
index c672df4..ddde370 100644 (file)
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -15,6 +15,8 @@
 #include <linux/writeback.h>
 #include <linux/backing-dev.h>
 #include <linux/blkdev.h>
+#include <linux/fsnotify.h>
+#include <linux/security.h>
 
 int fat_generic_ioctl(struct inode *inode, struct file *filp,
                      unsigned int cmd, unsigned long arg)
@@ -64,6 +66,7 @@ int fat_generic_ioctl(struct inode *inode, struct file *filp,
 
                /* Equivalent to a chmod() */
                ia.ia_valid = ATTR_MODE | ATTR_CTIME;
+               ia.ia_ctime = current_fs_time(inode->i_sb);
                if (is_dir) {
                        ia.ia_mode = MSDOS_MKMODE(attr,
                                S_IRWXUGO & ~sbi->options.fs_dmask)
@@ -90,11 +93,21 @@ int fat_generic_ioctl(struct inode *inode, struct file *filp,
                        }
                }
 
+               /*
+                * The security check is questionable...  We single
+                * out the RO attribute for checking by the security
+                * module, just because it maps to a file mode.
+                */
+               err = security_inode_setattr(filp->f_path.dentry, &ia);
+               if (err)
+                       goto up;
+
                /* This MUST be done before doing anything irreversible... */
-               err = notify_change(filp->f_path.dentry, &ia);
+               err = fat_setattr(filp->f_path.dentry, &ia);
                if (err)
                        goto up;
 
+               fsnotify_change(filp->f_path.dentry, ia.ia_valid);
                if (sbi->options.sys_immutable) {
                        if (attr & ATTR_SYS)
                                inode->i_flags |= S_IMMUTABLE;
@@ -300,6 +313,8 @@ static int fat_allow_set_time(struct msdos_sb_info *sbi, struct inode *inode)
        return 0;
 }
 
+#define TIMES_SET_FLAGS        (ATTR_MTIME_SET | ATTR_ATIME_SET | ATTR_TIMES_SET)
+
 int fat_setattr(struct dentry *dentry, struct iattr *attr)
 {
        struct msdos_sb_info *sbi = MSDOS_SB(dentry->d_sb);
@@ -323,9 +338,9 @@ int fat_setattr(struct dentry *dentry, struct iattr *attr)
 
        /* Check for setting the inode time. */
        ia_valid = attr->ia_valid;
-       if (ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET)) {
+       if (ia_valid & TIMES_SET_FLAGS) {
                if (fat_allow_set_time(sbi, inode))
-                       attr->ia_valid &= ~(ATTR_MTIME_SET | ATTR_ATIME_SET);
+                       attr->ia_valid &= ~TIMES_SET_FLAGS;
        }
 
        error = inode_change_ok(inode, attr);