diff options
Diffstat (limited to 'fs/exofs/inode.c')
| -rw-r--r-- | fs/exofs/inode.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c index 185ef1281e0c..44602754f758 100644 --- a/fs/exofs/inode.c +++ b/fs/exofs/inode.c @@ -32,9 +32,6 @@ */ #include <linux/slab.h> -#include <linux/writeback.h> -#include <linux/buffer_head.h> -#include <scsi/scsi_device.h> #include "exofs.h" @@ -57,6 +54,9 @@ struct page_collect { unsigned nr_pages; unsigned long length; loff_t pg_first; /* keep 64bit also in 32-arches */ + bool read_4_write; /* This means two things: that the read is sync + * And the pages should not be unlocked. + */ }; static void _pcol_init(struct page_collect *pcol, unsigned expected_pages, @@ -74,6 +74,7 @@ static void _pcol_init(struct page_collect *pcol, unsigned expected_pages, pcol->nr_pages = 0; pcol->length = 0; pcol->pg_first = -1; + pcol->read_4_write = false; } static void _pcol_reset(struct page_collect *pcol) @@ -350,7 +351,8 @@ static int readpage_strip(void *data, struct page *page) if (PageError(page)) ClearPageError(page); - unlock_page(page); + if (!pcol->read_4_write) + unlock_page(page); EXOFS_DBGMSG("readpage_strip(0x%lx, 0x%lx) empty page," " splitting\n", inode->i_ino, page->index); @@ -431,6 +433,7 @@ static int _readpage(struct page *page, bool is_sync) /* readpage_strip might call read_exec(,is_sync==false) at several * places but not if we have a single page. */ + pcol.read_4_write = is_sync; ret = readpage_strip(&pcol, page); if (ret) { EXOFS_ERR("_readpage => %d\n", ret); @@ -773,15 +776,13 @@ static int exofs_releasepage(struct page *page, gfp_t gfp) { EXOFS_DBGMSG("page 0x%lx\n", page->index); WARN_ON(1); - return try_to_free_buffers(page); + return 0; } static void exofs_invalidatepage(struct page *page, unsigned long offset) { - EXOFS_DBGMSG("page_has_buffers=>%d\n", page_has_buffers(page)); + EXOFS_DBGMSG("page 0x%lx offset 0x%lx\n", page->index, offset); WARN_ON(1); - - block_invalidatepage(page, offset); } const struct address_space_operations exofs_aops = { |