diff options
Diffstat (limited to 'fs/xfs/xfs_mount.c')
| -rw-r--r-- | fs/xfs/xfs_mount.c | 42 |
1 files changed, 34 insertions, 8 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 536a0ee9cd5a..faeead671f9f 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -24,6 +24,7 @@ #include "xfs_bit.h" #include "xfs_sb.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_da_format.h" #include "xfs_da_btree.h" #include "xfs_inode.h" @@ -41,6 +42,7 @@ #include "xfs_trace.h" #include "xfs_icache.h" #include "xfs_sysfs.h" +#include "xfs_rmap_btree.h" static DEFINE_MUTEX(xfs_uuid_table_mutex); @@ -89,7 +91,6 @@ xfs_uuid_mount( if (hole < 0) { xfs_uuid_table = kmem_realloc(xfs_uuid_table, (xfs_uuid_table_size + 1) * sizeof(*xfs_uuid_table), - xfs_uuid_table_size * sizeof(*xfs_uuid_table), KM_SLEEP); hole = xfs_uuid_table_size++; } @@ -171,7 +172,7 @@ xfs_sb_validate_fsb_count( ASSERT(sbp->sb_blocklog >= BBSHIFT); /* Limited by ULONG_MAX of page cache index */ - if (nblocks >> (PAGE_CACHE_SHIFT - sbp->sb_blocklog) > ULONG_MAX) + if (nblocks >> (PAGE_SHIFT - sbp->sb_blocklog) > ULONG_MAX) return -EFBIG; return 0; } @@ -231,6 +232,8 @@ xfs_initialize_perag( if (maxagi) *maxagi = index; + + mp->m_ag_prealloc_blocks = xfs_prealloc_blocks(mp); return 0; out_unwind: @@ -273,13 +276,15 @@ xfs_readsb( buf_ops = NULL; /* - * Allocate a (locked) buffer to hold the superblock. - * This will be kept around at all times to optimize - * access to the superblock. + * Allocate a (locked) buffer to hold the superblock. This will be kept + * around at all times to optimize access to the superblock. Therefore, + * set XBF_NO_IOACCT to make sure it doesn't hold the buftarg count + * elevated. */ reread: error = xfs_buf_read_uncached(mp->m_ddev_targp, XFS_SB_DADDR, - BTOBB(sector_size), 0, &bp, buf_ops); + BTOBB(sector_size), XBF_NO_IOACCT, &bp, + buf_ops); if (error) { if (loud) xfs_warn(mp, "SB validate failed with error %d.", error); @@ -678,9 +683,13 @@ xfs_mountfs( xfs_bmap_compute_maxlevels(mp, XFS_DATA_FORK); xfs_bmap_compute_maxlevels(mp, XFS_ATTR_FORK); xfs_ialloc_compute_maxlevels(mp); + xfs_rmapbt_compute_maxlevels(mp); xfs_set_maxicount(mp); + /* enable fail_at_unmount as default */ + mp->m_fail_unmount = 1; + error = xfs_sysfs_init(&mp->m_kobj, &xfs_mp_ktype, NULL, mp->m_fsname); if (error) goto out; @@ -690,10 +699,15 @@ xfs_mountfs( if (error) goto out_remove_sysfs; - error = xfs_uuid_mount(mp); + error = xfs_error_sysfs_init(mp); if (error) goto out_del_stats; + + error = xfs_uuid_mount(mp); + if (error) + goto out_remove_error_sysfs; + /* * Set the minimum read and write sizes */ @@ -957,6 +971,7 @@ xfs_mountfs( cancel_delayed_work_sync(&mp->m_reclaim_work); xfs_reclaim_inodes(mp, SYNC_WAIT); out_log_dealloc: + mp->m_flags |= XFS_MOUNT_UNMOUNTING; xfs_log_mount_cancel(mp); out_fail_wait: if (mp->m_logdev_targp && mp->m_logdev_targp != mp->m_ddev_targp) @@ -968,6 +983,8 @@ xfs_mountfs( xfs_da_unmount(mp); out_remove_uuid: xfs_uuid_unmount(mp); + out_remove_error_sysfs: + xfs_error_sysfs_del(mp); out_del_stats: xfs_sysfs_del(&mp->m_stats.xs_kobj); out_remove_sysfs: @@ -1006,6 +1023,14 @@ xfs_unmountfs( xfs_log_force(mp, XFS_LOG_SYNC); /* + * We now need to tell the world we are unmounting. This will allow + * us to detect that the filesystem is going away and we should error + * out anything that we have been retrying in the background. This will + * prevent neverending retries in AIL pushing from hanging the unmount. + */ + mp->m_flags |= XFS_MOUNT_UNMOUNTING; + + /* * Flush all pending changes from the AIL. */ xfs_ail_push_all_sync(mp->m_ail); @@ -1056,6 +1081,7 @@ xfs_unmountfs( #endif xfs_free_perag(mp); + xfs_error_sysfs_del(mp); xfs_sysfs_del(&mp->m_stats.xs_kobj); xfs_sysfs_del(&mp->m_kobj); } @@ -1195,7 +1221,7 @@ xfs_mod_fdblocks( batch = XFS_FDBLOCKS_BATCH; __percpu_counter_add(&mp->m_fdblocks, delta, batch); - if (__percpu_counter_compare(&mp->m_fdblocks, XFS_ALLOC_SET_ASIDE(mp), + if (__percpu_counter_compare(&mp->m_fdblocks, mp->m_alloc_set_aside, XFS_FDBLOCKS_BATCH) >= 0) { /* we had space! */ return 0; |