diff options
Diffstat (limited to 'fs/udf/super.c')
| -rw-r--r-- | fs/udf/super.c | 44 |
1 files changed, 25 insertions, 19 deletions
diff --git a/fs/udf/super.c b/fs/udf/super.c index cae079eb5dd..72348cc855a 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -81,7 +81,7 @@ static char error_buf[1024]; /* These are the "meat" - everything else is stuffing */ static int udf_fill_super(struct super_block *, void *, int); static void udf_put_super(struct super_block *); -static void udf_write_super(struct super_block *); +static int udf_sync_fs(struct super_block *, int); static int udf_remount_fs(struct super_block *, int *, char *); static void udf_load_logicalvolint(struct super_block *, struct kernel_extent_ad); static int udf_find_fileset(struct super_block *, struct kernel_lb_addr *, @@ -178,7 +178,7 @@ static const struct super_operations udf_sb_ops = { .delete_inode = udf_delete_inode, .clear_inode = udf_clear_inode, .put_super = udf_put_super, - .write_super = udf_write_super, + .sync_fs = udf_sync_fs, .statfs = udf_statfs, .remount_fs = udf_remount_fs, .show_options = udf_show_options, @@ -553,17 +553,6 @@ static int udf_parse_options(char *options, struct udf_options *uopt, return 1; } -static void udf_write_super(struct super_block *sb) -{ - lock_kernel(); - - if (!(sb->s_flags & MS_RDONLY)) - udf_open_lvid(sb); - sb->s_dirt = 0; - - unlock_kernel(); -} - static int udf_remount_fs(struct super_block *sb, int *flags, char *options) { struct udf_options uopt; @@ -1753,9 +1742,9 @@ static void udf_open_lvid(struct super_block *sb) struct buffer_head *bh = sbi->s_lvid_bh; struct logicalVolIntegrityDesc *lvid; struct logicalVolIntegrityDescImpUse *lvidiu; + if (!bh) return; - lvid = (struct logicalVolIntegrityDesc *)bh->b_data; lvidiu = udf_sb_lvidiu(sbi); @@ -1763,7 +1752,7 @@ static void udf_open_lvid(struct super_block *sb) lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; udf_time_to_disk_stamp(&lvid->recordingDateAndTime, CURRENT_TIME); - lvid->integrityType = LVID_INTEGRITY_TYPE_OPEN; + lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN); lvid->descTag.descCRC = cpu_to_le16( crc_itu_t(0, (char *)lvid + sizeof(struct tag), @@ -1771,6 +1760,7 @@ static void udf_open_lvid(struct super_block *sb) lvid->descTag.tagChecksum = udf_tag_checksum(&lvid->descTag); mark_buffer_dirty(bh); + sbi->s_lvid_dirty = 0; } static void udf_close_lvid(struct super_block *sb) @@ -1784,10 +1774,6 @@ static void udf_close_lvid(struct super_block *sb) return; lvid = (struct logicalVolIntegrityDesc *)bh->b_data; - - if (lvid->integrityType != LVID_INTEGRITY_TYPE_OPEN) - return; - lvidiu = udf_sb_lvidiu(sbi); lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; @@ -1806,6 +1792,7 @@ static void udf_close_lvid(struct super_block *sb) lvid->descTag.tagChecksum = udf_tag_checksum(&lvid->descTag); mark_buffer_dirty(bh); + sbi->s_lvid_dirty = 0; } static void udf_sb_free_bitmap(struct udf_bitmap *bitmap) @@ -2092,6 +2079,25 @@ static void udf_put_super(struct super_block *sb) sb->s_fs_info = NULL; } +static int udf_sync_fs(struct super_block *sb, int wait) +{ + struct udf_sb_info *sbi = UDF_SB(sb); + + mutex_lock(&sbi->s_alloc_mutex); + if (sbi->s_lvid_dirty) { + /* + * Blockdevice will be synced later so we don't have to submit + * the buffer for IO + */ + mark_buffer_dirty(sbi->s_lvid_bh); + sb->s_dirt = 0; + sbi->s_lvid_dirty = 0; + } + mutex_unlock(&sbi->s_alloc_mutex); + + return 0; +} + static int udf_statfs(struct dentry *dentry, struct kstatfs *buf) { struct super_block *sb = dentry->d_sb; |