diff options
| author | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2007-05-30 23:57:05 -0500 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2007-05-30 23:57:05 -0500 |
| commit | 5bc65793cbf8da0d35f19ef025dda22887e79e80 (patch) | |
| tree | 8291998abd73055de6f487fafa174ee2a5d3afee /fs/buffer.c | |
| parent | 6edae708bf77e012d855a7e2c7766f211d234f4f (diff) | |
| parent | 3f0a6766e0cc5a577805732e5adb50a585c58175 (diff) | |
[SCSI] Merge up to linux-2.6 head
Conflicts:
drivers/scsi/jazz_esp.c
Same changes made by both SCSI and SPARC trees: problem with UTF-8
conversion in the copyright.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'fs/buffer.c')
| -rw-r--r-- | fs/buffer.c | 27 |
1 files changed, 7 insertions, 20 deletions
diff --git a/fs/buffer.c b/fs/buffer.c index aecd057cd0e0..aa68206bd517 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -981,7 +981,8 @@ grow_dev_page(struct block_device *bdev, sector_t block, struct page *page; struct buffer_head *bh; - page = find_or_create_page(inode->i_mapping, index, GFP_NOFS); + page = find_or_create_page(inode->i_mapping, index, + mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS); if (!page) return NULL; @@ -2100,7 +2101,7 @@ int cont_prepare_write(struct page *page, unsigned offset, PAGE_CACHE_SIZE, get_block); if (status) goto out_unmap; - zero_user_page(page, zerofrom, PAGE_CACHE_SIZE - zerofrom, + zero_user_page(new_page, zerofrom, PAGE_CACHE_SIZE - zerofrom, KM_USER0); generic_commit_write(NULL, new_page, zerofrom, PAGE_CACHE_SIZE); unlock_page(new_page); @@ -2898,8 +2899,9 @@ static void recalc_bh_state(void) struct buffer_head *alloc_buffer_head(gfp_t gfp_flags) { - struct buffer_head *ret = kmem_cache_alloc(bh_cachep, gfp_flags); + struct buffer_head *ret = kmem_cache_zalloc(bh_cachep, gfp_flags); if (ret) { + INIT_LIST_HEAD(&ret->b_assoc_buffers); get_cpu_var(bh_accounting).nr++; recalc_bh_state(); put_cpu_var(bh_accounting); @@ -2918,17 +2920,6 @@ void free_buffer_head(struct buffer_head *bh) } EXPORT_SYMBOL(free_buffer_head); -static void -init_buffer_head(void *data, struct kmem_cache *cachep, unsigned long flags) -{ - if (flags & SLAB_CTOR_CONSTRUCTOR) { - struct buffer_head * bh = (struct buffer_head *)data; - - memset(bh, 0, sizeof(*bh)); - INIT_LIST_HEAD(&bh->b_assoc_buffers); - } -} - static void buffer_exit_cpu(int cpu) { int i; @@ -2955,12 +2946,8 @@ void __init buffer_init(void) { int nrpages; - bh_cachep = kmem_cache_create("buffer_head", - sizeof(struct buffer_head), 0, - (SLAB_RECLAIM_ACCOUNT|SLAB_PANIC| - SLAB_MEM_SPREAD), - init_buffer_head, - NULL); + bh_cachep = KMEM_CACHE(buffer_head, + SLAB_RECLAIM_ACCOUNT|SLAB_PANIC|SLAB_MEM_SPREAD); /* * Limit the bh occupancy to 10% of ZONE_NORMAL |