diff options
Diffstat (limited to 'fs/udf')
| -rw-r--r-- | fs/udf/Makefile | 2 | ||||
| -rw-r--r-- | fs/udf/balloc.c | 9 | ||||
| -rw-r--r-- | fs/udf/dir.c | 2 | ||||
| -rw-r--r-- | fs/udf/file.c | 2 | ||||
| -rw-r--r-- | fs/udf/fsync.c | 52 | ||||
| -rw-r--r-- | fs/udf/lowlevel.c | 7 | ||||
| -rw-r--r-- | fs/udf/super.c | 13 | ||||
| -rw-r--r-- | fs/udf/udfdecl.h | 3 |
8 files changed, 24 insertions, 66 deletions
diff --git a/fs/udf/Makefile b/fs/udf/Makefile index 0d4503f..eb880f6 100644 --- a/fs/udf/Makefile +++ b/fs/udf/Makefile @@ -5,5 +5,5 @@ obj-$(CONFIG_UDF_FS) += udf.o udf-objs := balloc.o dir.o file.o ialloc.o inode.o lowlevel.o namei.o \ - partition.o super.o truncate.o symlink.o fsync.o \ + partition.o super.o truncate.o symlink.o \ directory.o misc.o udftime.o unicode.o diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c index e48e9a3..1e06853 100644 --- a/fs/udf/balloc.c +++ b/fs/udf/balloc.c @@ -238,7 +238,7 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb, mutex_lock(&sbi->s_alloc_mutex); part_len = sbi->s_partmaps[partition].s_partition_len; - if (first_block < 0 || first_block >= part_len) + if (first_block >= part_len) goto out; if (first_block + block_count > part_len) @@ -297,7 +297,7 @@ static int udf_bitmap_new_block(struct super_block *sb, mutex_lock(&sbi->s_alloc_mutex); repeat: - if (goal < 0 || goal >= sbi->s_partmaps[partition].s_partition_len) + if (goal >= sbi->s_partmaps[partition].s_partition_len) goal = 0; nr_groups = bitmap->s_nr_groups; @@ -666,8 +666,7 @@ static int udf_table_prealloc_blocks(struct super_block *sb, int8_t etype = -1; struct udf_inode_info *iinfo; - if (first_block < 0 || - first_block >= sbi->s_partmaps[partition].s_partition_len) + if (first_block >= sbi->s_partmaps[partition].s_partition_len) return 0; iinfo = UDF_I(table); @@ -743,7 +742,7 @@ static int udf_table_new_block(struct super_block *sb, return newblock; mutex_lock(&sbi->s_alloc_mutex); - if (goal < 0 || goal >= sbi->s_partmaps[partition].s_partition_len) + if (goal >= sbi->s_partmaps[partition].s_partition_len) goal = 0; /* We search for the closest matching block to goal. If we find diff --git a/fs/udf/dir.c b/fs/udf/dir.c index 2efd4d5..61d9a76 100644 --- a/fs/udf/dir.c +++ b/fs/udf/dir.c @@ -210,5 +210,5 @@ const struct file_operations udf_dir_operations = { .read = generic_read_dir, .readdir = udf_readdir, .ioctl = udf_ioctl, - .fsync = udf_fsync_file, + .fsync = simple_fsync, }; diff --git a/fs/udf/file.c b/fs/udf/file.c index eb91f3b..7464305 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c @@ -209,7 +209,7 @@ const struct file_operations udf_file_operations = { .write = do_sync_write, .aio_write = udf_file_aio_write, .release = udf_release_file, - .fsync = udf_fsync_file, + .fsync = simple_fsync, .splice_read = generic_file_splice_read, .llseek = generic_file_llseek, }; diff --git a/fs/udf/fsync.c b/fs/udf/fsync.c deleted file mode 100644 index b2c472b..0000000 --- a/fs/udf/fsync.c +++ /dev/null @@ -1,52 +0,0 @@ -/* - * fsync.c - * - * PURPOSE - * Fsync handling routines for the OSTA-UDF(tm) filesystem. - * - * COPYRIGHT - * This file is distributed under the terms of the GNU General Public - * License (GPL). Copies of the GPL can be obtained from: - * ftp://prep.ai.mit.edu/pub/gnu/GPL - * Each contributing author retains all rights to their own work. - * - * (C) 1999-2001 Ben Fennema - * (C) 1999-2000 Stelias Computing Inc - * - * HISTORY - * - * 05/22/99 blf Created. - */ - -#include "udfdecl.h" - -#include <linux/fs.h> - -static int udf_fsync_inode(struct inode *, int); - -/* - * File may be NULL when we are called. Perhaps we shouldn't - * even pass file to fsync ? - */ - -int udf_fsync_file(struct file *file, struct dentry *dentry, int datasync) -{ - struct inode *inode = dentry->d_inode; - - return udf_fsync_inode(inode, datasync); -} - -static int udf_fsync_inode(struct inode *inode, int datasync) -{ - int err; - - err = sync_mapping_buffers(inode->i_mapping); - if (!(inode->i_state & I_DIRTY)) - return err; - if (datasync && !(inode->i_state & I_DIRTY_DATASYNC)) - return err; - - err |= udf_sync_inode(inode); - - return err ? -EIO : 0; -} diff --git a/fs/udf/lowlevel.c b/fs/udf/lowlevel.c index 703843f..1b88fd5 100644 --- a/fs/udf/lowlevel.c +++ b/fs/udf/lowlevel.c @@ -56,7 +56,12 @@ unsigned long udf_get_last_block(struct super_block *sb) struct block_device *bdev = sb->s_bdev; unsigned long lblock = 0; - if (ioctl_by_bdev(bdev, CDROM_LAST_WRITTEN, (unsigned long) &lblock)) + /* + * ioctl failed or returned obviously bogus value? + * Try using the device size... + */ + if (ioctl_by_bdev(bdev, CDROM_LAST_WRITTEN, (unsigned long) &lblock) || + lblock == 0) lblock = bdev->bd_inode->i_size >> sb->s_blocksize_bits; if (lblock) diff --git a/fs/udf/super.c b/fs/udf/super.c index 72348cc..6832135 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -568,6 +568,7 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options) if (!udf_parse_options(options, &uopt, true)) return -EINVAL; + lock_kernel(); sbi->s_flags = uopt.flags; sbi->s_uid = uopt.uid; sbi->s_gid = uopt.gid; @@ -581,13 +582,16 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options) *flags |= MS_RDONLY; } - if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) + if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) { + unlock_kernel(); return 0; + } if (*flags & MS_RDONLY) udf_close_lvid(sb); else udf_open_lvid(sb); + unlock_kernel(); return 0; } @@ -1915,7 +1919,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) if (uopt.flags & (1 << UDF_FLAG_BLOCKSIZE_SET)) { ret = udf_load_vrs(sb, &uopt, silent, &fileset); } else { - uopt.blocksize = bdev_hardsect_size(sb->s_bdev); + uopt.blocksize = bdev_logical_block_size(sb->s_bdev); ret = udf_load_vrs(sb, &uopt, silent, &fileset); if (!ret && uopt.blocksize != UDF_DEFAULT_BLOCKSIZE) { if (!silent) @@ -2062,6 +2066,9 @@ static void udf_put_super(struct super_block *sb) struct udf_sb_info *sbi; sbi = UDF_SB(sb); + + lock_kernel(); + if (sbi->s_vat_inode) iput(sbi->s_vat_inode); if (sbi->s_partitions) @@ -2077,6 +2084,8 @@ static void udf_put_super(struct super_block *sb) kfree(sbi->s_partmaps); kfree(sb->s_fs_info); sb->s_fs_info = NULL; + + unlock_kernel(); } static int udf_sync_fs(struct super_block *sb, int wait) diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index cac51b7..8d46f42 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -223,9 +223,6 @@ extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, extern int udf_new_block(struct super_block *, struct inode *, uint16_t, uint32_t, int *); -/* fsync.c */ -extern int udf_fsync_file(struct file *, struct dentry *, int); - /* directory.c */ extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *, struct udf_fileident_bh *, |
