diff options
Diffstat (limited to 'fs/ufs')
-rw-r--r-- | fs/ufs/dir.c | 2 | ||||
-rw-r--r-- | fs/ufs/file.c | 23 | ||||
-rw-r--r-- | fs/ufs/super.c | 65 | ||||
-rw-r--r-- | fs/ufs/ufs.h | 1 |
4 files changed, 55 insertions, 36 deletions
diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c index 6321b797061..6f671f1ac27 100644 --- a/fs/ufs/dir.c +++ b/fs/ufs/dir.c @@ -666,6 +666,6 @@ not_empty: const struct file_operations ufs_dir_operations = { .read = generic_read_dir, .readdir = ufs_readdir, - .fsync = ufs_sync_file, + .fsync = simple_fsync, .llseek = generic_file_llseek, }; diff --git a/fs/ufs/file.c b/fs/ufs/file.c index 2bd3a161571..73655c61240 100644 --- a/fs/ufs/file.c +++ b/fs/ufs/file.c @@ -24,31 +24,10 @@ */ #include <linux/fs.h> -#include <linux/buffer_head.h> /* for sync_mapping_buffers() */ #include "ufs_fs.h" #include "ufs.h" - -int ufs_sync_file(struct file *file, struct dentry *dentry, int datasync) -{ - struct inode *inode = dentry->d_inode; - int err; - int ret; - - ret = sync_mapping_buffers(inode->i_mapping); - if (!(inode->i_state & I_DIRTY)) - return ret; - if (datasync && !(inode->i_state & I_DIRTY_DATASYNC)) - return ret; - - err = ufs_sync_inode(inode); - if (ret == 0) - ret = err; - return ret; -} - - /* * We have mostly NULL's here: the current defaults are ok for * the ufs filesystem. @@ -62,6 +41,6 @@ const struct file_operations ufs_file_operations = { .aio_write = generic_file_aio_write, .mmap = generic_file_mmap, .open = generic_file_open, - .fsync = ufs_sync_file, + .fsync = simple_fsync, .splice_read = generic_file_splice_read, }; diff --git a/fs/ufs/super.c b/fs/ufs/super.c index 60359291761..5faed7954d0 100644 --- a/fs/ufs/super.c +++ b/fs/ufs/super.c @@ -263,6 +263,7 @@ void ufs_panic (struct super_block * sb, const char * function, struct ufs_super_block_first * usb1; va_list args; + lock_kernel(); uspi = UFS_SB(sb)->s_uspi; usb1 = ubh_get_usb_first(uspi); @@ -594,6 +595,9 @@ static void ufs_put_super_internal(struct super_block *sb) UFSD("ENTER\n"); + + lock_kernel(); + ufs_put_cstotal(sb); size = uspi->s_cssize; blks = (size + uspi->s_fsize - 1) >> uspi->s_fshift; @@ -621,6 +625,9 @@ static void ufs_put_super_internal(struct super_block *sb) brelse (sbi->s_ucg[i]); kfree (sbi->s_ucg); kfree (base); + + unlock_kernel(); + UFSD("EXIT\n"); } @@ -1118,32 +1125,45 @@ failed_nomem: return -ENOMEM; } -static void ufs_write_super(struct super_block *sb) +static int ufs_sync_fs(struct super_block *sb, int wait) { struct ufs_sb_private_info * uspi; struct ufs_super_block_first * usb1; struct ufs_super_block_third * usb3; unsigned flags; + lock_super(sb); lock_kernel(); + UFSD("ENTER\n"); + flags = UFS_SB(sb)->s_flags; uspi = UFS_SB(sb)->s_uspi; usb1 = ubh_get_usb_first(uspi); usb3 = ubh_get_usb_third(uspi); - if (!(sb->s_flags & MS_RDONLY)) { - usb1->fs_time = cpu_to_fs32(sb, get_seconds()); - if ((flags & UFS_ST_MASK) == UFS_ST_SUN - || (flags & UFS_ST_MASK) == UFS_ST_SUNOS - || (flags & UFS_ST_MASK) == UFS_ST_SUNx86) - ufs_set_fs_state(sb, usb1, usb3, - UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time)); - ufs_put_cstotal(sb); - } + usb1->fs_time = cpu_to_fs32(sb, get_seconds()); + if ((flags & UFS_ST_MASK) == UFS_ST_SUN || + (flags & UFS_ST_MASK) == UFS_ST_SUNOS || + (flags & UFS_ST_MASK) == UFS_ST_SUNx86) + ufs_set_fs_state(sb, usb1, usb3, + UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time)); + ufs_put_cstotal(sb); sb->s_dirt = 0; + UFSD("EXIT\n"); unlock_kernel(); + unlock_super(sb); + + return 0; +} + +static void ufs_write_super(struct super_block *sb) +{ + if (!(sb->s_flags & MS_RDONLY)) + ufs_sync_fs(sb, 1); + else + sb->s_dirt = 0; } static void ufs_put_super(struct super_block *sb) @@ -1152,6 +1172,9 @@ static void ufs_put_super(struct super_block *sb) UFSD("ENTER\n"); + if (sb->s_dirt) + ufs_write_super(sb); + if (!(sb->s_flags & MS_RDONLY)) ufs_put_super_internal(sb); @@ -1171,7 +1194,9 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) struct ufs_super_block_third * usb3; unsigned new_mount_opt, ufstype; unsigned flags; - + + lock_kernel(); + lock_super(sb); uspi = UFS_SB(sb)->s_uspi; flags = UFS_SB(sb)->s_flags; usb1 = ubh_get_usb_first(uspi); @@ -1184,17 +1209,24 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) ufstype = UFS_SB(sb)->s_mount_opt & UFS_MOUNT_UFSTYPE; new_mount_opt = 0; ufs_set_opt (new_mount_opt, ONERROR_LOCK); - if (!ufs_parse_options (data, &new_mount_opt)) + if (!ufs_parse_options (data, &new_mount_opt)) { + unlock_super(sb); + unlock_kernel(); return -EINVAL; + } if (!(new_mount_opt & UFS_MOUNT_UFSTYPE)) { new_mount_opt |= ufstype; } else if ((new_mount_opt & UFS_MOUNT_UFSTYPE) != ufstype) { printk("ufstype can't be changed during remount\n"); + unlock_super(sb); + unlock_kernel(); return -EINVAL; } if ((*mount_flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) { UFS_SB(sb)->s_mount_opt = new_mount_opt; + unlock_super(sb); + unlock_kernel(); return 0; } @@ -1219,6 +1251,8 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) #ifndef CONFIG_UFS_FS_WRITE printk("ufs was compiled with read-only support, " "can't be mounted as read-write\n"); + unlock_super(sb); + unlock_kernel(); return -EINVAL; #else if (ufstype != UFS_MOUNT_UFSTYPE_SUN && @@ -1227,16 +1261,22 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) ufstype != UFS_MOUNT_UFSTYPE_SUNx86 && ufstype != UFS_MOUNT_UFSTYPE_UFS2) { printk("this ufstype is read-only supported\n"); + unlock_super(sb); + unlock_kernel(); return -EINVAL; } if (!ufs_read_cylinder_structures(sb)) { printk("failed during remounting\n"); + unlock_super(sb); + unlock_kernel(); return -EPERM; } sb->s_flags &= ~MS_RDONLY; #endif } UFS_SB(sb)->s_mount_opt = new_mount_opt; + unlock_super(sb); + unlock_kernel(); return 0; } @@ -1352,6 +1392,7 @@ static const struct super_operations ufs_super_ops = { .delete_inode = ufs_delete_inode, .put_super = ufs_put_super, .write_super = ufs_write_super, + .sync_fs = ufs_sync_fs, .statfs = ufs_statfs, .remount_fs = ufs_remount, .show_options = ufs_show_options, diff --git a/fs/ufs/ufs.h b/fs/ufs/ufs.h index d0c4acd4f1f..644e77e1359 100644 --- a/fs/ufs/ufs.h +++ b/fs/ufs/ufs.h @@ -99,7 +99,6 @@ extern void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de, extern const struct inode_operations ufs_file_inode_operations; extern const struct file_operations ufs_file_operations; extern const struct address_space_operations ufs_aops; -extern int ufs_sync_file(struct file *, struct dentry *, int); /* ialloc.c */ extern void ufs_free_inode (struct inode *inode); |