diff options
Diffstat (limited to 'fs/qnx4/inode.c')
| -rw-r--r-- | fs/qnx4/inode.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/fs/qnx4/inode.c b/fs/qnx4/inode.c index 277575ddc05c..fcada42f1aa3 100644 --- a/fs/qnx4/inode.c +++ b/fs/qnx4/inode.c @@ -16,7 +16,6 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/highuid.h> -#include <linux/smp_lock.h> #include <linux/pagemap.h> #include <linux/buffer_head.h> #include <linux/writeback.h> @@ -157,8 +156,6 @@ static int qnx4_statfs(struct dentry *dentry, struct kstatfs *buf) struct super_block *sb = dentry->d_sb; u64 id = huge_encode_dev(sb->s_bdev->bd_dev); - lock_kernel(); - buf->f_type = sb->s_magic; buf->f_bsize = sb->s_blocksize; buf->f_blocks = le32_to_cpu(qnx4_sb(sb)->BitMap->di_size) * 8; @@ -168,8 +165,6 @@ static int qnx4_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_fsid.val[0] = (u32)id; buf->f_fsid.val[1] = (u32)(id >> 32); - unlock_kernel(); - return 0; } @@ -283,7 +278,6 @@ static int qnx4_fill_super(struct super_block *s, void *data, int silent) goto outi; brelse(bh); - return 0; outi: @@ -320,10 +314,19 @@ static int qnx4_write_begin(struct file *file, struct address_space *mapping, struct page **pagep, void **fsdata) { struct qnx4_inode_info *qnx4_inode = qnx4_i(mapping->host); + int ret; + *pagep = NULL; - return cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata, qnx4_get_block, &qnx4_inode->mmu_private); + if (unlikely(ret)) { + loff_t isize = mapping->host->i_size; + if (pos + len > isize) + vmtruncate(mapping->host, isize); + } + + return ret; } static sector_t qnx4_bmap(struct address_space *mapping, sector_t block) { @@ -451,17 +454,16 @@ static void destroy_inodecache(void) kmem_cache_destroy(qnx4_inode_cachep); } -static int qnx4_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data, struct vfsmount *mnt) +static struct dentry *qnx4_mount(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data) { - return get_sb_bdev(fs_type, flags, dev_name, data, qnx4_fill_super, - mnt); + return mount_bdev(fs_type, flags, dev_name, data, qnx4_fill_super); } static struct file_system_type qnx4_fs_type = { .owner = THIS_MODULE, .name = "qnx4", - .get_sb = qnx4_get_sb, + .mount = qnx4_mount, .kill_sb = kill_block_super, .fs_flags = FS_REQUIRES_DEV, }; |