diff options
Diffstat (limited to 'fs/gfs2/ops_address.c')
-rw-r--r-- | fs/gfs2/ops_address.c | 28 |
1 files changed, 3 insertions, 25 deletions
diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c index 0118aa439c1d..37bfeb961eb3 100644 --- a/fs/gfs2/ops_address.c +++ b/fs/gfs2/ops_address.c | |||
@@ -256,7 +256,7 @@ out_unlock: | |||
256 | * the page lock and the glock) and return having done no I/O. Its | 256 | * the page lock and the glock) and return having done no I/O. Its |
257 | * obviously not something we'd want to do on too regular a basis. | 257 | * obviously not something we'd want to do on too regular a basis. |
258 | * Any I/O we ignore at this time will be done via readpage later. | 258 | * Any I/O we ignore at this time will be done via readpage later. |
259 | * 2. We have to handle stuffed files here too. | 259 | * 2. We don't handle stuffed files here we let readpage do the honours. |
260 | * 3. mpage_readpages() does most of the heavy lifting in the common case. | 260 | * 3. mpage_readpages() does most of the heavy lifting in the common case. |
261 | * 4. gfs2_get_block() is relied upon to set BH_Boundary in the right places. | 261 | * 4. gfs2_get_block() is relied upon to set BH_Boundary in the right places. |
262 | * 5. We use LM_FLAG_TRY_1CB here, effectively we then have lock-ahead as | 262 | * 5. We use LM_FLAG_TRY_1CB here, effectively we then have lock-ahead as |
@@ -269,8 +269,7 @@ static int gfs2_readpages(struct file *file, struct address_space *mapping, | |||
269 | struct gfs2_inode *ip = GFS2_I(inode); | 269 | struct gfs2_inode *ip = GFS2_I(inode); |
270 | struct gfs2_sbd *sdp = GFS2_SB(inode); | 270 | struct gfs2_sbd *sdp = GFS2_SB(inode); |
271 | struct gfs2_holder gh; | 271 | struct gfs2_holder gh; |
272 | unsigned page_idx; | 272 | int ret = 0; |
273 | int ret; | ||
274 | int do_unlock = 0; | 273 | int do_unlock = 0; |
275 | 274 | ||
276 | if (likely(file != &gfs2_internal_file_sentinel)) { | 275 | if (likely(file != &gfs2_internal_file_sentinel)) { |
@@ -289,29 +288,8 @@ static int gfs2_readpages(struct file *file, struct address_space *mapping, | |||
289 | goto out_unlock; | 288 | goto out_unlock; |
290 | } | 289 | } |
291 | skip_lock: | 290 | skip_lock: |
292 | if (gfs2_is_stuffed(ip)) { | 291 | if (!gfs2_is_stuffed(ip)) |
293 | struct pagevec lru_pvec; | ||
294 | pagevec_init(&lru_pvec, 0); | ||
295 | for (page_idx = 0; page_idx < nr_pages; page_idx++) { | ||
296 | struct page *page = list_entry(pages->prev, struct page, lru); | ||
297 | prefetchw(&page->flags); | ||
298 | list_del(&page->lru); | ||
299 | if (!add_to_page_cache(page, mapping, | ||
300 | page->index, GFP_KERNEL)) { | ||
301 | ret = stuffed_readpage(ip, page); | ||
302 | unlock_page(page); | ||
303 | if (!pagevec_add(&lru_pvec, page)) | ||
304 | __pagevec_lru_add(&lru_pvec); | ||
305 | } else { | ||
306 | page_cache_release(page); | ||
307 | } | ||
308 | } | ||
309 | pagevec_lru_add(&lru_pvec); | ||
310 | ret = 0; | ||
311 | } else { | ||
312 | /* What we really want to do .... */ | ||
313 | ret = mpage_readpages(mapping, pages, nr_pages, gfs2_get_block); | 292 | ret = mpage_readpages(mapping, pages, nr_pages, gfs2_get_block); |
314 | } | ||
315 | 293 | ||
316 | if (do_unlock) { | 294 | if (do_unlock) { |
317 | gfs2_glock_dq_m(1, &gh); | 295 | gfs2_glock_dq_m(1, &gh); |