int jfs_umount_rw(struct super_block *sb)
{
struct jfs_sb_info *sbi = JFS_SBI(sb);
struct jfs_log *log = sbi->log;
if (!log)
return 0;
/*
* close log:
*
* remove file system from log active file system list.
*/
jfs_flush_journal(log, 2);
/*
* Make sure all metadata makes it to disk
*/
dbSync(sbi->ipbmap);
diSync(sbi->ipimap);
fsync_inode_data_buffers(sb->s_bdev->bd_inode);
updateSuper(sb, FM_CLEAN);
sbi->log = NULL;
return lmLogClose(sb, log);
}
int ext3_sync_file(struct file * file, struct dentry *dentry, int datasync)
{
struct inode *inode = dentry->d_inode;
int ret;
J_ASSERT(ext3_journal_current_handle() == 0);
/*
* fsync_inode_buffers() just walks i_dirty_buffers and waits
* on them. It's a no-op for full data journalling because
* i_dirty_buffers will be ampty.
* Really, we only need to start I/O on the dirty buffers -
* we'll end up waiting on them in commit.
*/
ret = fsync_inode_buffers(inode);
/* In writeback mode, we need to force out data buffers too. In
* the other modes, ext3_force_commit takes care of forcing out
* just the right data blocks. */
if (test_opt(inode->i_sb, DATA_FLAGS) == EXT3_MOUNT_WRITEBACK_DATA)
ret |= fsync_inode_data_buffers(inode);
ext3_force_commit(inode->i_sb);
return ret;
}
/*
* vnode pcache layer for vnode_flushinval_pages.
* 'last' parameter unused but left in for IRIX compatibility
*/
void
fs_flushinval_pages(
bhv_desc_t *bdp,
xfs_off_t first,
xfs_off_t last,
int fiopt)
{
vnode_t *vp = BHV_TO_VNODE(bdp);
struct inode *ip = LINVFS_GET_IP(vp);
if (VN_CACHED(vp)) {
filemap_fdatasync(ip->i_mapping);
fsync_inode_data_buffers(ip);
filemap_fdatawait(ip->i_mapping);
truncate_inode_pages(ip->i_mapping, first);
}
}
/*
* vnode pcache layer for vnode_flush_pages.
* 'last' parameter unused but left in for IRIX compatibility
*/
int
fs_flush_pages(
bhv_desc_t *bdp,
xfs_off_t first,
xfs_off_t last,
uint64_t flags,
int fiopt)
{
vnode_t *vp = BHV_TO_VNODE(bdp);
struct inode *ip = LINVFS_GET_IP(vp);
if (VN_CACHED(vp)) {
filemap_fdatasync(ip->i_mapping);
fsync_inode_data_buffers(ip);
filemap_fdatawait(ip->i_mapping);
}
return 0;
}
/* Sync a reiserfs file. */
static int reiserfs_sync_file(
struct file * p_s_filp,
struct dentry * p_s_dentry,
int datasync
) {
struct inode * p_s_inode = p_s_dentry->d_inode;
int n_err;
lock_kernel() ;
if (!S_ISREG(p_s_inode->i_mode))
BUG ();
n_err = fsync_inode_buffers(p_s_inode) ;
n_err |= fsync_inode_data_buffers(p_s_inode);
reiserfs_commit_for_inode(p_s_inode) ;
unlock_kernel() ;
return ( n_err < 0 ) ? -EIO : 0;
}
/*
* NAME: jfs_umount(vfsp, flags, crp)
*
* FUNCTION: vfs_umount()
*
* PARAMETERS: vfsp - virtual file system pointer
* flags - unmount for shutdown
* crp - credential
*
* RETURN : EBUSY - device has open files
*/
int jfs_umount(struct super_block *sb)
{
struct jfs_sb_info *sbi = JFS_SBI(sb);
struct inode *ipbmap = sbi->ipbmap;
struct inode *ipimap = sbi->ipimap;
struct inode *ipaimap = sbi->ipaimap;
struct inode *ipaimap2 = sbi->ipaimap2;
struct jfs_log *log;
int rc = 0;
jfs_info("UnMount JFS: sb:0x%p", sb);
/*
* update superblock and close log
*
* if mounted read-write and log based recovery was enabled
*/
if ((log = sbi->log))
/*
* Wait for outstanding transactions to be written to log:
*/
jfs_flush_journal(log, 2);
/*
* close fileset inode allocation map (aka fileset inode)
*/
diUnmount(ipimap, 0);
diFreeSpecial(ipimap);
sbi->ipimap = NULL;
/*
* close secondary aggregate inode allocation map
*/
ipaimap2 = sbi->ipaimap2;
if (ipaimap2) {
diUnmount(ipaimap2, 0);
diFreeSpecial(ipaimap2);
sbi->ipaimap2 = NULL;
}
/*
* close aggregate inode allocation map
*/
ipaimap = sbi->ipaimap;
diUnmount(ipaimap, 0);
diFreeSpecial(ipaimap);
sbi->ipaimap = NULL;
/*
* close aggregate block allocation map
*/
dbUnmount(ipbmap, 0);
diFreeSpecial(ipbmap);
sbi->ipimap = NULL;
/*
* Make sure all metadata makes it to disk before we mark
* the superblock as clean
*/
fsync_inode_data_buffers(sb->s_bdev->bd_inode);
/*
* ensure all file system file pages are propagated to their
* home blocks on disk (and their in-memory buffer pages are
* invalidated) BEFORE updating file system superblock state
* (to signify file system is unmounted cleanly, and thus in
* consistent state) and log superblock active file system
* list (to signify skip logredo()).
*/
if (log) { /* log = NULL if read-only mount */
rc = updateSuper(sb, FM_CLEAN);
/*
* close log:
*
* remove file system from log active file system list.
*/
rc = lmLogClose(sb, log);
}
jfs_info("UnMount JFS Complete: rc = %d", rc);
return rc;
}
