fuse: invalidate target of rename

[safe/jmp/linux-2.6] / fs / fat / inode.c

diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 51a5ecf..76b7961 100644 (file)
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -76,7 +76,7 @@ static inline int __fat_get_block(struct inode *inode, sector_t iblock,
                return 0;
 
        if (iblock != MSDOS_I(inode)->mmu_private >> sb->s_blocksize_bits) {
-               fat_fs_panic(sb, "corrupted file size (i_pos %lld, %lld)",
+               fat_fs_error(sb, "corrupted file size (i_pos %lld, %lld)",
                        MSDOS_I(inode)->i_pos, MSDOS_I(inode)->mmu_private);
                return -EIO;
        }
@@ -451,12 +451,16 @@ static void fat_write_super(struct super_block *sb)
 
 static int fat_sync_fs(struct super_block *sb, int wait)
 {
-       lock_super(sb);
-       fat_clusters_flush(sb);
-       sb->s_dirt = 0;
-       unlock_super(sb);
+       int err = 0;
 
-       return 0;
+       if (sb->s_dirt) {
+               lock_super(sb);
+               sb->s_dirt = 0;
+               err = fat_clusters_flush(sb);
+               unlock_super(sb);
+       }
+
+       return err;
 }
 
 static void fat_put_super(struct super_block *sb)
@@ -470,19 +474,11 @@ static void fat_put_super(struct super_block *sb)
 
        iput(sbi->fat_inode);
 
-       if (sbi->nls_disk) {
-               unload_nls(sbi->nls_disk);
-               sbi->nls_disk = NULL;
-               sbi->options.codepage = fat_default_codepage;
-       }
-       if (sbi->nls_io) {
-               unload_nls(sbi->nls_io);
-               sbi->nls_io = NULL;
-       }
-       if (sbi->options.iocharset != fat_default_iocharset) {
+       unload_nls(sbi->nls_disk);
+       unload_nls(sbi->nls_io);
+
+       if (sbi->options.iocharset != fat_default_iocharset)
                kfree(sbi->options.iocharset);
-               sbi->options.iocharset = fat_default_iocharset;
-       }
 
        sb->s_fs_info = NULL;
        kfree(sbi);
@@ -820,7 +816,7 @@ static int fat_show_options(struct seq_file *m, struct vfsmount *mnt)
                        seq_puts(m, ",shortname=mixed");
                        break;
                case VFAT_SFN_DISPLAY_LOWER | VFAT_SFN_CREATE_WIN95:
-                       /* seq_puts(m, ",shortname=lower"); */
+                       seq_puts(m, ",shortname=lower");
                        break;
                default:
                        seq_puts(m, ",shortname=unknown");
@@ -856,6 +852,12 @@ static int fat_show_options(struct seq_file *m, struct vfsmount *mnt)
                seq_puts(m, ",flush");
        if (opts->tz_utc)
                seq_puts(m, ",tz=UTC");
+       if (opts->errors == FAT_ERRORS_CONT)
+               seq_puts(m, ",errors=continue");
+       else if (opts->errors == FAT_ERRORS_PANIC)
+               seq_puts(m, ",errors=panic");
+       else
+               seq_puts(m, ",errors=remount-ro");
 
        return 0;
 }
@@ -868,7 +870,8 @@ enum {
        Opt_charset, Opt_shortname_lower, Opt_shortname_win95,
        Opt_shortname_winnt, Opt_shortname_mixed, Opt_utf8_no, Opt_utf8_yes,
        Opt_uni_xl_no, Opt_uni_xl_yes, Opt_nonumtail_no, Opt_nonumtail_yes,
-       Opt_obsolate, Opt_flush, Opt_tz_utc, Opt_rodir, Opt_err,
+       Opt_obsolate, Opt_flush, Opt_tz_utc, Opt_rodir, Opt_err_cont,
+       Opt_err_panic, Opt_err_ro, Opt_err,
 };
 
 static const match_table_t fat_tokens = {
@@ -891,6 +894,11 @@ static const match_table_t fat_tokens = {
        {Opt_showexec, "showexec"},
        {Opt_debug, "debug"},
        {Opt_immutable, "sys_immutable"},
+       {Opt_flush, "flush"},
+       {Opt_tz_utc, "tz=UTC"},
+       {Opt_err_cont, "errors=continue"},
+       {Opt_err_panic, "errors=panic"},
+       {Opt_err_ro, "errors=remount-ro"},
        {Opt_obsolate, "conv=binary"},
        {Opt_obsolate, "conv=text"},
        {Opt_obsolate, "conv=auto"},
@@ -902,8 +910,6 @@ static const match_table_t fat_tokens = {
        {Opt_obsolate, "cvf_format=%20s"},
        {Opt_obsolate, "cvf_options=%100s"},
        {Opt_obsolate, "posix"},
-       {Opt_flush, "flush"},
-       {Opt_tz_utc, "tz=UTC"},
        {Opt_err, NULL},
 };
 static const match_table_t msdos_tokens = {
@@ -956,12 +962,12 @@ static int parse_options(char *options, int is_vfat, int silent, int *debug,
 
        opts->fs_uid = current_uid();
        opts->fs_gid = current_gid();
-       opts->fs_fmask = current_umask();
+       opts->fs_fmask = opts->fs_dmask = current_umask();
        opts->allow_utime = -1;
        opts->codepage = fat_default_codepage;
        opts->iocharset = fat_default_iocharset;
        if (is_vfat) {
-               opts->shortname = VFAT_SFN_DISPLAY_LOWER|VFAT_SFN_CREATE_WIN95;
+               opts->shortname = VFAT_SFN_DISPLAY_WINNT|VFAT_SFN_CREATE_WIN95;
                opts->rodir = 0;
        } else {
                opts->shortname = 0;
@@ -973,6 +979,7 @@ static int parse_options(char *options, int is_vfat, int silent, int *debug,
        opts->numtail = 1;
        opts->usefree = opts->nocase = 0;
        opts->tz_utc = 0;
+       opts->errors = FAT_ERRORS_RO;
        *debug = 0;
 
        if (!options)
@@ -1065,6 +1072,15 @@ static int parse_options(char *options, int is_vfat, int silent, int *debug,
                case Opt_tz_utc:
                        opts->tz_utc = 1;
                        break;
+               case Opt_err_cont:
+                       opts->errors = FAT_ERRORS_CONT;
+                       break;
+               case Opt_err_panic:
+                       opts->errors = FAT_ERRORS_PANIC;
+                       break;
+               case Opt_err_ro:
+                       opts->errors = FAT_ERRORS_RO;
+                       break;
 
                /* msdos specific */
                case Opt_dots: