1 files changed, 27 insertions, 29 deletions

diff --git a/fs/msdos/namei.c b/fs/msdos/namei.c
index 05ff4f1d7026..e844b9809d27 100644
--- a/fs/msdos/namei.c
+++ b/fs/msdos/namei.c
@@ -14,12 +14,7 @@
 
 /* Characters that are undesirable in an MS-DOS file name */
 static unsigned char bad_chars[] = "*?<>|\"";
-static unsigned char bad_if_strict_pc[] = "+=,; ";
-/* GEMDOS is less restrictive */
-static unsigned char bad_if_strict_atari[] = " ";
-
-#define bad_if_strict(opts) \
-        ((opts)->atari ? bad_if_strict_atari : bad_if_strict_pc)
+static unsigned char bad_if_strict[] = "+=,; ";
 
 /***** Formats an MS-DOS file name. Rejects invalid names. */
 static int msdos_format_name(const unsigned char *name, int len,
@@ -40,21 +35,20 @@ static int msdos_format_name(const unsigned char *name, int len,
                         /* Get rid of dot - test for it elsewhere */
                         name++;
                         len--;
-                } else if (!opts->atari)
+                } else
                         return -EINVAL;
         }
         /*
-         * disallow names that _really_ start with a dot for MS-DOS,
-         * GEMDOS does not care
+         * disallow names that _really_ start with a dot
          */
-        space = !opts->atari;
+        space = 1;
         c = 0;
         for (walk = res; len && walk - res < 8; walk++) {
                 c = *name++;
                 len--;
                 if (opts->name_check != 'r' && strchr(bad_chars, c))
                         return -EINVAL;
-                if (opts->name_check == 's' && strchr(bad_if_strict(opts), c))
+                if (opts->name_check == 's' && strchr(bad_if_strict, c))
                         return -EINVAL;
                 if (c >= 'A' && c <= 'Z' && opts->name_check == 's')
                         return -EINVAL;
@@ -94,7 +88,7 @@ static int msdos_format_name(const unsigned char *name, int len,
                         if (opts->name_check != 'r' && strchr(bad_chars, c))
                                 return -EINVAL;
                         if (opts->name_check == 's' &&
-                            strchr(bad_if_strict(opts), c))
+                            strchr(bad_if_strict, c))
                                 return -EINVAL;
                         if (c < ' ' || c == ':' || c == '\\')
                                 return -EINVAL;
@@ -214,7 +208,7 @@ static struct dentry *msdos_lookup(struct inode *dir, struct dentry *dentry,
 
         dentry->d_op = &msdos_dentry_operations;
 
-        lock_kernel();
+        lock_super(sb);
         res = msdos_find(dir, dentry->d_name.name, dentry->d_name.len, &sinfo);
         if (res == -ENOENT)
                 goto add;
@@ -232,7 +226,7 @@ add:
         if (dentry)
                 dentry->d_op = &msdos_dentry_operations;
 out:
-        unlock_kernel();
+        unlock_super(sb);
         if (!res)
                 return dentry;
         return ERR_PTR(res);
@@ -243,6 +237,7 @@ static int msdos_add_entry(struct inode *dir, const unsigned char *name,
                            int is_dir, int is_hid, int cluster,
                            struct timespec *ts, struct fat_slot_info *sinfo)
 {
+        struct msdos_sb_info *sbi = MSDOS_SB(dir->i_sb);
         struct msdos_dir_entry de;
         __le16 time, date;
         int err;
@@ -252,7 +247,7 @@ static int msdos_add_entry(struct inode *dir, const unsigned char *name,
         if (is_hid)
                 de.attr |= ATTR_HIDDEN;
         de.lcase = 0;
-        fat_date_unix2dos(ts->tv_sec, &time, &date);
+        fat_date_unix2dos(ts->tv_sec, &time, &date, sbi->options.tz_utc);
         de.cdate = de.adate = 0;
         de.ctime = 0;
         de.ctime_cs = 0;
@@ -286,7 +281,7 @@ static int msdos_create(struct inode *dir, struct dentry *dentry, int mode,
         unsigned char msdos_name[MSDOS_NAME];
         int err, is_hid;
 
-        lock_kernel();
+        lock_super(sb);
 
         err = msdos_format_name(dentry->d_name.name, dentry->d_name.len,
                                 msdos_name, &MSDOS_SB(sb)->options);
@@ -315,7 +310,7 @@ static int msdos_create(struct inode *dir, struct dentry *dentry, int mode,
 
         d_instantiate(dentry, inode);
 out:
-        unlock_kernel();
+        unlock_super(sb);
         if (!err)
                 err = fat_flush_inodes(sb, dir, inode);
         return err;
@@ -324,11 +319,12 @@ out:
 /***** Remove a directory */
 static int msdos_rmdir(struct inode *dir, struct dentry *dentry)
 {
+        struct super_block *sb = dir->i_sb;
         struct inode *inode = dentry->d_inode;
         struct fat_slot_info sinfo;
         int err;
 
-        lock_kernel();
+        lock_super(sb);
         /*
          * Check whether the directory is not in use, then check
          * whether it is empty.
@@ -349,9 +345,9 @@ static int msdos_rmdir(struct inode *dir, struct dentry *dentry)
         inode->i_ctime = CURRENT_TIME_SEC;
         fat_detach(inode);
 out:
-        unlock_kernel();
+        unlock_super(sb);
         if (!err)
-                err = fat_flush_inodes(inode->i_sb, dir, inode);
+                err = fat_flush_inodes(sb, dir, inode);
 
         return err;
 }
@@ -366,7 +362,7 @@ static int msdos_mkdir(struct inode *dir, struct dentry *dentry, int mode)
         struct timespec ts;
         int err, is_hid, cluster;
 
-        lock_kernel();
+        lock_super(sb);
 
         err = msdos_format_name(dentry->d_name.name, dentry->d_name.len,
                                 msdos_name, &MSDOS_SB(sb)->options);
@@ -404,14 +400,14 @@ static int msdos_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 
         d_instantiate(dentry, inode);
 
-        unlock_kernel();
+        unlock_super(sb);
         fat_flush_inodes(sb, dir, inode);
         return 0;
 
 out_free:
         fat_free_clusters(dir, cluster);
 out:
-        unlock_kernel();
+        unlock_super(sb);
         return err;
 }
 
@@ -419,10 +415,11 @@ out:
 static int msdos_unlink(struct inode *dir, struct dentry *dentry)
 {
         struct inode *inode = dentry->d_inode;
+        struct super_block *sb= inode->i_sb;
         struct fat_slot_info sinfo;
         int err;
 
-        lock_kernel();
+        lock_super(sb);
         err = msdos_find(dir, dentry->d_name.name, dentry->d_name.len, &sinfo);
         if (err)
                 goto out;
@@ -434,9 +431,9 @@ static int msdos_unlink(struct inode *dir, struct dentry *dentry)
         inode->i_ctime = CURRENT_TIME_SEC;
         fat_detach(inode);
 out:
-        unlock_kernel();
+        unlock_super(sb);
         if (!err)
-                err = fat_flush_inodes(inode->i_sb, dir, inode);
+                err = fat_flush_inodes(sb, dir, inode);
 
         return err;
 }
@@ -618,10 +615,11 @@ error_inode:
 static int msdos_rename(struct inode *old_dir, struct dentry *old_dentry,
                         struct inode *new_dir, struct dentry *new_dentry)
 {
+        struct super_block *sb = old_dir->i_sb;
         unsigned char old_msdos_name[MSDOS_NAME], new_msdos_name[MSDOS_NAME];
         int err, is_hid;
 
-        lock_kernel();
+        lock_super(sb);
 
         err = msdos_format_name(old_dentry->d_name.name,
                                 old_dentry->d_name.len, old_msdos_name,
@@ -640,9 +638,9 @@ static int msdos_rename(struct inode *old_dir, struct dentry *old_dentry,
         err = do_msdos_rename(old_dir, old_msdos_name, old_dentry,
                               new_dir, new_msdos_name, new_dentry, is_hid);
 out:
-        unlock_kernel();
+        unlock_super(sb);
         if (!err)
-                err = fat_flush_inodes(old_dir->i_sb, old_dir, new_dir);
+                err = fat_flush_inodes(sb, old_dir, new_dir);
         return err;
 }