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-rw-r--r--fs/gfs2/glops.c70
1 files changed, 44 insertions, 26 deletions
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 07d84d16cda4..c6c318c2a0f6 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -13,6 +13,7 @@
13#include <linux/buffer_head.h> 13#include <linux/buffer_head.h>
14#include <linux/gfs2_ondisk.h> 14#include <linux/gfs2_ondisk.h>
15#include <linux/lm_interface.h> 15#include <linux/lm_interface.h>
16#include <linux/bio.h>
16 17
17#include "gfs2.h" 18#include "gfs2.h"
18#include "incore.h" 19#include "incore.h"
@@ -172,26 +173,6 @@ static void inode_go_sync(struct gfs2_glock *gl)
172} 173}
173 174
174/** 175/**
175 * inode_go_xmote_bh - After promoting/demoting a glock
176 * @gl: the glock
177 *
178 */
179
180static void inode_go_xmote_bh(struct gfs2_glock *gl)
181{
182 struct gfs2_holder *gh = gl->gl_req_gh;
183 struct buffer_head *bh;
184 int error;
185
186 if (gl->gl_state != LM_ST_UNLOCKED &&
187 (!gh || !(gh->gh_flags & GL_SKIP))) {
188 error = gfs2_meta_read(gl, gl->gl_name.ln_number, 0, &bh);
189 if (!error)
190 brelse(bh);
191 }
192}
193
194/**
195 * inode_go_inval - prepare a inode glock to be released 176 * inode_go_inval - prepare a inode glock to be released
196 * @gl: the glock 177 * @gl: the glock
197 * @flags: 178 * @flags:
@@ -267,6 +248,26 @@ static int inode_go_lock(struct gfs2_holder *gh)
267} 248}
268 249
269/** 250/**
251 * inode_go_dump - print information about an inode
252 * @seq: The iterator
253 * @ip: the inode
254 *
255 * Returns: 0 on success, -ENOBUFS when we run out of space
256 */
257
258static int inode_go_dump(struct seq_file *seq, const struct gfs2_glock *gl)
259{
260 const struct gfs2_inode *ip = gl->gl_object;
261 if (ip == NULL)
262 return 0;
263 gfs2_print_dbg(seq, " I: n:%llu/%llu t:%u f:0x%08lx\n",
264 (unsigned long long)ip->i_no_formal_ino,
265 (unsigned long long)ip->i_no_addr,
266 IF2DT(ip->i_inode.i_mode), ip->i_flags);
267 return 0;
268}
269
270/**
270 * rgrp_go_demote_ok - Check to see if it's ok to unlock a RG's glock 271 * rgrp_go_demote_ok - Check to see if it's ok to unlock a RG's glock
271 * @gl: the glock 272 * @gl: the glock
272 * 273 *
@@ -306,6 +307,22 @@ static void rgrp_go_unlock(struct gfs2_holder *gh)
306} 307}
307 308
308/** 309/**
310 * rgrp_go_dump - print out an rgrp
311 * @seq: The iterator
312 * @gl: The glock in question
313 *
314 */
315
316static int rgrp_go_dump(struct seq_file *seq, const struct gfs2_glock *gl)
317{
318 const struct gfs2_rgrpd *rgd = gl->gl_object;
319 if (rgd == NULL)
320 return 0;
321 gfs2_print_dbg(seq, " R: n:%llu\n", (unsigned long long)rgd->rd_addr);
322 return 0;
323}
324
325/**
309 * trans_go_sync - promote/demote the transaction glock 326 * trans_go_sync - promote/demote the transaction glock
310 * @gl: the glock 327 * @gl: the glock
311 * @state: the requested state 328 * @state: the requested state
@@ -330,7 +347,7 @@ static void trans_go_sync(struct gfs2_glock *gl)
330 * 347 *
331 */ 348 */
332 349
333static void trans_go_xmote_bh(struct gfs2_glock *gl) 350static int trans_go_xmote_bh(struct gfs2_glock *gl, struct gfs2_holder *gh)
334{ 351{
335 struct gfs2_sbd *sdp = gl->gl_sbd; 352 struct gfs2_sbd *sdp = gl->gl_sbd;
336 struct gfs2_inode *ip = GFS2_I(sdp->sd_jdesc->jd_inode); 353 struct gfs2_inode *ip = GFS2_I(sdp->sd_jdesc->jd_inode);
@@ -338,8 +355,7 @@ static void trans_go_xmote_bh(struct gfs2_glock *gl)
338 struct gfs2_log_header_host head; 355 struct gfs2_log_header_host head;
339 int error; 356 int error;
340 357
341 if (gl->gl_state != LM_ST_UNLOCKED && 358 if (test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)) {
342 test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)) {
343 j_gl->gl_ops->go_inval(j_gl, DIO_METADATA); 359 j_gl->gl_ops->go_inval(j_gl, DIO_METADATA);
344 360
345 error = gfs2_find_jhead(sdp->sd_jdesc, &head); 361 error = gfs2_find_jhead(sdp->sd_jdesc, &head);
@@ -354,6 +370,7 @@ static void trans_go_xmote_bh(struct gfs2_glock *gl)
354 gfs2_log_pointers_init(sdp, head.lh_blkno); 370 gfs2_log_pointers_init(sdp, head.lh_blkno);
355 } 371 }
356 } 372 }
373 return 0;
357} 374}
358 375
359/** 376/**
@@ -375,12 +392,12 @@ const struct gfs2_glock_operations gfs2_meta_glops = {
375 392
376const struct gfs2_glock_operations gfs2_inode_glops = { 393const struct gfs2_glock_operations gfs2_inode_glops = {
377 .go_xmote_th = inode_go_sync, 394 .go_xmote_th = inode_go_sync,
378 .go_xmote_bh = inode_go_xmote_bh,
379 .go_inval = inode_go_inval, 395 .go_inval = inode_go_inval,
380 .go_demote_ok = inode_go_demote_ok, 396 .go_demote_ok = inode_go_demote_ok,
381 .go_lock = inode_go_lock, 397 .go_lock = inode_go_lock,
398 .go_dump = inode_go_dump,
382 .go_type = LM_TYPE_INODE, 399 .go_type = LM_TYPE_INODE,
383 .go_min_hold_time = HZ / 10, 400 .go_min_hold_time = HZ / 5,
384}; 401};
385 402
386const struct gfs2_glock_operations gfs2_rgrp_glops = { 403const struct gfs2_glock_operations gfs2_rgrp_glops = {
@@ -389,8 +406,9 @@ const struct gfs2_glock_operations gfs2_rgrp_glops = {
389 .go_demote_ok = rgrp_go_demote_ok, 406 .go_demote_ok = rgrp_go_demote_ok,
390 .go_lock = rgrp_go_lock, 407 .go_lock = rgrp_go_lock,
391 .go_unlock = rgrp_go_unlock, 408 .go_unlock = rgrp_go_unlock,
409 .go_dump = rgrp_go_dump,
392 .go_type = LM_TYPE_RGRP, 410 .go_type = LM_TYPE_RGRP,
393 .go_min_hold_time = HZ / 10, 411 .go_min_hold_time = HZ / 5,
394}; 412};
395 413
396const struct gfs2_glock_operations gfs2_trans_glops = { 414const struct gfs2_glock_operations gfs2_trans_glops = {