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Commit 0a5e5d6b authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Nathan Scott
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[XFS] only lock pagecache pages 

SGI Modid: xfs-linux:xfs-kern:167054a
parent f12ef882
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fs/xfs/linux/xfs_buf.c
View file @ 0a5e5d6b
...@@ -503,6 +503,7 @@ _pagebuf_lookup_pages( ...@@ -503,6 +503,7 @@ _pagebuf_lookup_pages(
} }
} }
pb->pb_flags |= _PBF_PAGECACHE;
mapit: mapit:
pb->pb_flags |= _PBF_MEM_ALLOCATED; pb->pb_flags |= _PBF_MEM_ALLOCATED;
if (all_mapped) { if (all_mapped) {
......
fs/xfs/linux/xfs_buf.h
View file @ 0a5e5d6b
...@@ -87,6 +87,7 @@ typedef enum page_buf_flags_e { /* pb_flags values */ ...@@ -87,6 +87,7 @@ typedef enum page_buf_flags_e { /* pb_flags values */
PBF_DONT_BLOCK = (1 << 15), /* do not block in current thread */ PBF_DONT_BLOCK = (1 << 15), /* do not block in current thread */
/* flags used only internally */ /* flags used only internally */
_PBF_PAGECACHE = (1 << 16), /* backed by pagecache */
_PBF_ALL_PAGES_MAPPED = (1 << 18), /* all pages in range mapped */ _PBF_ALL_PAGES_MAPPED = (1 << 18), /* all pages in range mapped */
_PBF_ADDR_ALLOCATED = (1 << 19), /* pb_addr space was allocated */ _PBF_ADDR_ALLOCATED = (1 << 19), /* pb_addr space was allocated */
_PBF_MEM_ALLOCATED = (1 << 20), /* underlying pages are allocated */ _PBF_MEM_ALLOCATED = (1 << 20), /* underlying pages are allocated */
......
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