Merge git://git.infradead.org/~dwmw2/random-2.6

[pandora-kernel.git] / fs / msdos / namei.c

diff --git a/fs/msdos/namei.c b/fs/msdos/namei.c
index 2d4358c..e844b98 100644 (file)
--- 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;
 }
@@ -609,7 +606,7 @@ error_inode:
        if (corrupt < 0) {
                fat_fs_panic(new_dir->i_sb,
                             "%s: Filesystem corrupted (i_pos %lld)",
-                            __FUNCTION__, sinfo.i_pos);
+                            __func__, sinfo.i_pos);
        }
        goto out;
 }
@@ -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;
 }