diff options
Diffstat (limited to 'fs/xfs/xfs_mount.c')
| -rw-r--r-- | fs/xfs/xfs_mount.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index faeead671f9f..b341f10cf481 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -43,6 +43,8 @@ #include "xfs_icache.h" #include "xfs_sysfs.h" #include "xfs_rmap_btree.h" +#include "xfs_refcount_btree.h" +#include "xfs_reflink.h" static DEFINE_MUTEX(xfs_uuid_table_mutex); @@ -684,6 +686,7 @@ xfs_mountfs( xfs_bmap_compute_maxlevels(mp, XFS_ATTR_FORK); xfs_ialloc_compute_maxlevels(mp); xfs_rmapbt_compute_maxlevels(mp); + xfs_refcountbt_compute_maxlevels(mp); xfs_set_maxicount(mp); @@ -923,6 +926,15 @@ xfs_mountfs( } /* + * During the second phase of log recovery, we need iget and + * iput to behave like they do for an active filesystem. + * xfs_fs_drop_inode needs to be able to prevent the deletion + * of inodes before we're done replaying log items on those + * inodes. + */ + mp->m_super->s_flags |= MS_ACTIVE; + + /* * Finish recovering the file system. This part needed to be delayed * until after the root and real-time bitmap inodes were consistently * read in. @@ -934,6 +946,20 @@ xfs_mountfs( } /* + * Now the log is fully replayed, we can transition to full read-only + * mode for read-only mounts. This will sync all the metadata and clean + * the log so that the recovery we just performed does not have to be + * replayed again on the next mount. + * + * We use the same quiesce mechanism as the rw->ro remount, as they are + * semantically identical operations. + */ + if ((mp->m_flags & (XFS_MOUNT_RDONLY|XFS_MOUNT_NORECOVERY)) == + XFS_MOUNT_RDONLY) { + xfs_quiesce_attr(mp); + } + + /* * Complete the quota initialisation, post-log-replay component. */ if (quotamount) { @@ -960,11 +986,30 @@ xfs_mountfs( if (error) xfs_warn(mp, "Unable to allocate reserve blocks. Continuing without reserve pool."); + + /* Recover any CoW blocks that never got remapped. */ + error = xfs_reflink_recover_cow(mp); + if (error) { + xfs_err(mp, + "Error %d recovering leftover CoW allocations.", error); + xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); + goto out_quota; + } + + /* Reserve AG blocks for future btree expansion. */ + error = xfs_fs_reserve_ag_blocks(mp); + if (error && error != -ENOSPC) + goto out_agresv; } return 0; + out_agresv: + xfs_fs_unreserve_ag_blocks(mp); + out_quota: + xfs_qm_unmount_quotas(mp); out_rtunmount: + mp->m_super->s_flags &= ~MS_ACTIVE; xfs_rtunmount_inodes(mp); out_rele_rip: IRELE(rip); @@ -1005,7 +1050,9 @@ xfs_unmountfs( int error; cancel_delayed_work_sync(&mp->m_eofblocks_work); + cancel_delayed_work_sync(&mp->m_cowblocks_work); + xfs_fs_unreserve_ag_blocks(mp); xfs_qm_unmount_quotas(mp); xfs_rtunmount_inodes(mp); IRELE(mp->m_rootip); |