diff options
Diffstat (limited to 'fs/hfsplus/super.c')
| -rw-r--r-- | fs/hfsplus/super.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c index f2a64020f42..c0759fe0855 100644 --- a/fs/hfsplus/super.c +++ b/fs/hfsplus/super.c @@ -12,6 +12,7 @@ #include <linux/pagemap.h> #include <linux/fs.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/vfs.h> #include <linux/nls.h> @@ -152,15 +153,14 @@ static void hfsplus_clear_inode(struct inode *inode) } } -static void hfsplus_write_super(struct super_block *sb) +static int hfsplus_sync_fs(struct super_block *sb, int wait) { struct hfsplus_vh *vhdr = HFSPLUS_SB(sb).s_vhdr; dprint(DBG_SUPER, "hfsplus_write_super\n"); + + lock_super(sb); sb->s_dirt = 0; - if (sb->s_flags & MS_RDONLY) - /* warn? */ - return; vhdr->free_blocks = cpu_to_be32(HFSPLUS_SB(sb).free_blocks); vhdr->next_alloc = cpu_to_be32(HFSPLUS_SB(sb).next_alloc); @@ -192,6 +192,16 @@ static void hfsplus_write_super(struct super_block *sb) } HFSPLUS_SB(sb).flags &= ~HFSPLUS_SB_WRITEBACKUP; } + unlock_super(sb); + return 0; +} + +static void hfsplus_write_super(struct super_block *sb) +{ + if (!(sb->s_flags & MS_RDONLY)) + hfsplus_sync_fs(sb, 1); + else + sb->s_dirt = 0; } static void hfsplus_put_super(struct super_block *sb) @@ -199,6 +209,11 @@ static void hfsplus_put_super(struct super_block *sb) dprint(DBG_SUPER, "hfsplus_put_super\n"); if (!sb->s_fs_info) return; + + lock_kernel(); + + if (sb->s_dirt) + hfsplus_write_super(sb); if (!(sb->s_flags & MS_RDONLY) && HFSPLUS_SB(sb).s_vhdr) { struct hfsplus_vh *vhdr = HFSPLUS_SB(sb).s_vhdr; @@ -218,6 +233,8 @@ static void hfsplus_put_super(struct super_block *sb) unload_nls(HFSPLUS_SB(sb).nls); kfree(sb->s_fs_info); sb->s_fs_info = NULL; + + unlock_kernel(); } static int hfsplus_statfs(struct dentry *dentry, struct kstatfs *buf) @@ -279,6 +296,7 @@ static const struct super_operations hfsplus_sops = { .clear_inode = hfsplus_clear_inode, .put_super = hfsplus_put_super, .write_super = hfsplus_write_super, + .sync_fs = hfsplus_sync_fs, .statfs = hfsplus_statfs, .remount_fs = hfsplus_remount, .show_options = hfsplus_show_options, |