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author | 2020-06-26 12:19:36 -0700 | |
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committer | 2020-06-26 12:19:36 -0700 | |
commit | 7c902e273019ce60c1cb4d195e3cfd803969fd04 (patch) | |
tree | 72689ca58adee5750e7856f2e807d6b1a0c63c70 /fs | |
parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff) | |
parent | MAINTAINERS: update info for sparse (diff) | |
download | linux-7c902e273019ce60c1cb4d195e3cfd803969fd04.tar.gz linux-7c902e273019ce60c1cb4d195e3cfd803969fd04.tar.bz2 linux-7c902e273019ce60c1cb4d195e3cfd803969fd04.zip |
Merge branch 'akpm' (patches from Andrew)
Merge misx fixes from Andrew Morton:
"31 patches.
Subsystems affected by this patch series: hotfixes, mm/pagealloc,
kexec, ocfs2, lib, mm/slab, mm/slab, mm/slub, mm/swap, mm/pagemap,
mm/vmalloc, mm/memcg, mm/gup, mm/thp, mm/vmscan, x86,
mm/memory-hotplug, MAINTAINERS"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (31 commits)
MAINTAINERS: update info for sparse
mm/memory_hotplug.c: fix false softlockup during pfn range removal
mm: remove vmalloc_exec
arm64: use PAGE_KERNEL_ROX directly in alloc_insn_page
x86/hyperv: allocate the hypercall page with only read and execute bits
mm/memory: fix IO cost for anonymous page
mm/swap: fix for "mm: workingset: age nonresident information alongside anonymous pages"
mm: workingset: age nonresident information alongside anonymous pages
doc: THP CoW fault no longer allocate THP
docs: mm/gup: minor documentation update
mm/memcontrol.c: prevent missed memory.low load tears
mm/memcontrol.c: add missed css_put()
mm: memcontrol: handle div0 crash race condition in memory.low
mm/vmalloc.c: fix a warning while make xmldocs
media: omap3isp: remove cacheflush.h
make asm-generic/cacheflush.h more standalone
mm/debug_vm_pgtable: fix build failure with powerpc 8xx
mm/memory.c: properly pte_offset_map_lock/unlock in vm_insert_pages()
mm: fix swap cache node allocation mask
slub: cure list_slab_objects() from double fix
...
Diffstat (limited to 'fs')
-rw-r--r-- | fs/ocfs2/dlmglue.c | 17 | ||||
-rw-r--r-- | fs/ocfs2/ocfs2.h | 1 | ||||
-rw-r--r-- | fs/ocfs2/ocfs2_fs.h | 4 | ||||
-rw-r--r-- | fs/ocfs2/suballoc.c | 9 |
4 files changed, 25 insertions, 6 deletions
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 152a0fc4e905..751bc4dc7466 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -689,6 +689,12 @@ static void ocfs2_nfs_sync_lock_res_init(struct ocfs2_lock_res *res, &ocfs2_nfs_sync_lops, osb); } +static void ocfs2_nfs_sync_lock_init(struct ocfs2_super *osb) +{ + ocfs2_nfs_sync_lock_res_init(&osb->osb_nfs_sync_lockres, osb); + init_rwsem(&osb->nfs_sync_rwlock); +} + void ocfs2_trim_fs_lock_res_init(struct ocfs2_super *osb) { struct ocfs2_lock_res *lockres = &osb->osb_trim_fs_lockres; @@ -2855,6 +2861,11 @@ int ocfs2_nfs_sync_lock(struct ocfs2_super *osb, int ex) if (ocfs2_is_hard_readonly(osb)) return -EROFS; + if (ex) + down_write(&osb->nfs_sync_rwlock); + else + down_read(&osb->nfs_sync_rwlock); + if (ocfs2_mount_local(osb)) return 0; @@ -2873,6 +2884,10 @@ void ocfs2_nfs_sync_unlock(struct ocfs2_super *osb, int ex) if (!ocfs2_mount_local(osb)) ocfs2_cluster_unlock(osb, lockres, ex ? LKM_EXMODE : LKM_PRMODE); + if (ex) + up_write(&osb->nfs_sync_rwlock); + else + up_read(&osb->nfs_sync_rwlock); } int ocfs2_trim_fs_lock(struct ocfs2_super *osb, @@ -3340,7 +3355,7 @@ int ocfs2_dlm_init(struct ocfs2_super *osb) local: ocfs2_super_lock_res_init(&osb->osb_super_lockres, osb); ocfs2_rename_lock_res_init(&osb->osb_rename_lockres, osb); - ocfs2_nfs_sync_lock_res_init(&osb->osb_nfs_sync_lockres, osb); + ocfs2_nfs_sync_lock_init(osb); ocfs2_orphan_scan_lock_res_init(&osb->osb_orphan_scan.os_lockres, osb); osb->cconn = conn; diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index ee5d98516212..2dd71d626196 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -395,6 +395,7 @@ struct ocfs2_super struct ocfs2_lock_res osb_super_lockres; struct ocfs2_lock_res osb_rename_lockres; struct ocfs2_lock_res osb_nfs_sync_lockres; + struct rw_semaphore nfs_sync_rwlock; struct ocfs2_lock_res osb_trim_fs_lockres; struct mutex obs_trim_fs_mutex; struct ocfs2_dlm_debug *osb_dlm_debug; diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h index 0dd8c41bafd4..19137c6d087b 100644 --- a/fs/ocfs2/ocfs2_fs.h +++ b/fs/ocfs2/ocfs2_fs.h @@ -290,7 +290,7 @@ #define OCFS2_MAX_SLOTS 255 /* Slot map indicator for an empty slot */ -#define OCFS2_INVALID_SLOT -1 +#define OCFS2_INVALID_SLOT ((u16)-1) #define OCFS2_VOL_UUID_LEN 16 #define OCFS2_MAX_VOL_LABEL_LEN 64 @@ -326,8 +326,8 @@ struct ocfs2_system_inode_info { enum { BAD_BLOCK_SYSTEM_INODE = 0, GLOBAL_INODE_ALLOC_SYSTEM_INODE, +#define OCFS2_FIRST_ONLINE_SYSTEM_INODE GLOBAL_INODE_ALLOC_SYSTEM_INODE SLOT_MAP_SYSTEM_INODE, -#define OCFS2_FIRST_ONLINE_SYSTEM_INODE SLOT_MAP_SYSTEM_INODE HEARTBEAT_SYSTEM_INODE, GLOBAL_BITMAP_SYSTEM_INODE, USER_QUOTA_SYSTEM_INODE, diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index 4836becb7578..45745cc3408a 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -2825,9 +2825,12 @@ int ocfs2_test_inode_bit(struct ocfs2_super *osb, u64 blkno, int *res) goto bail; } - inode_alloc_inode = - ocfs2_get_system_file_inode(osb, INODE_ALLOC_SYSTEM_INODE, - suballoc_slot); + if (suballoc_slot == (u16)OCFS2_INVALID_SLOT) + inode_alloc_inode = ocfs2_get_system_file_inode(osb, + GLOBAL_INODE_ALLOC_SYSTEM_INODE, suballoc_slot); + else + inode_alloc_inode = ocfs2_get_system_file_inode(osb, + INODE_ALLOC_SYSTEM_INODE, suballoc_slot); if (!inode_alloc_inode) { /* the error code could be inaccurate, but we are not able to * get the correct one. */ |