diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/gfs2/inode.c | 88 | ||||
-rw-r--r-- | fs/gfs2/inode.h | 1 |
2 files changed, 44 insertions, 45 deletions
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 58c2ce785fed..260316954ad7 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c | |||
@@ -280,6 +280,50 @@ out: | |||
280 | return error; | 280 | return error; |
281 | } | 281 | } |
282 | 282 | ||
283 | static int gfs2_change_nlink_i(struct gfs2_inode *ip) | ||
284 | { | ||
285 | struct gfs2_sbd *sdp = ip->i_inode.i_sb->s_fs_info; | ||
286 | struct gfs2_inode *rindex = GFS2_I(sdp->sd_rindex); | ||
287 | struct gfs2_glock *ri_gl = rindex->i_gl; | ||
288 | struct gfs2_rgrpd *rgd; | ||
289 | struct gfs2_holder ri_gh, rg_gh; | ||
290 | int existing, error; | ||
291 | |||
292 | /* if we come from rename path, we could have the lock already */ | ||
293 | existing = gfs2_glock_is_locked_by_me(ri_gl); | ||
294 | if (!existing) { | ||
295 | error = gfs2_rindex_hold(sdp, &ri_gh); | ||
296 | if (error) | ||
297 | goto out; | ||
298 | } | ||
299 | |||
300 | /* find the matching rgd */ | ||
301 | error = -EIO; | ||
302 | rgd = gfs2_blk2rgrpd(sdp, ip->i_num.no_addr); | ||
303 | if (!rgd) | ||
304 | goto out_norgrp; | ||
305 | |||
306 | /* | ||
307 | * Eventually we may want to move rgd(s) to a linked list | ||
308 | * and piggyback the free logic into one of gfs2 daemons | ||
309 | * to gain some performance. | ||
310 | */ | ||
311 | if (!rgd->rd_gl || !gfs2_glock_is_locked_by_me(rgd->rd_gl)) { | ||
312 | error = gfs2_glock_nq_init(rgd->rd_gl, LM_ST_EXCLUSIVE, 0, &rg_gh); | ||
313 | if (error) | ||
314 | goto out_norgrp; | ||
315 | |||
316 | gfs2_unlink_di(&ip->i_inode); /* mark inode unlinked */ | ||
317 | gfs2_glock_dq_uninit(&rg_gh); | ||
318 | } | ||
319 | |||
320 | out_norgrp: | ||
321 | if (!existing) | ||
322 | gfs2_glock_dq_uninit(&ri_gh); | ||
323 | out: | ||
324 | return error; | ||
325 | } | ||
326 | |||
283 | /** | 327 | /** |
284 | * gfs2_change_nlink - Change nlink count on inode | 328 | * gfs2_change_nlink - Change nlink count on inode |
285 | * @ip: The GFS2 inode | 329 | * @ip: The GFS2 inode |
@@ -326,50 +370,6 @@ int gfs2_change_nlink(struct gfs2_inode *ip, int diff) | |||
326 | return error; | 370 | return error; |
327 | } | 371 | } |
328 | 372 | ||
329 | int gfs2_change_nlink_i(struct gfs2_inode *ip) | ||
330 | { | ||
331 | struct gfs2_sbd *sdp = ip->i_inode.i_sb->s_fs_info; | ||
332 | struct gfs2_inode *rindex = GFS2_I(sdp->sd_rindex); | ||
333 | struct gfs2_glock *ri_gl = rindex->i_gl; | ||
334 | struct gfs2_rgrpd *rgd; | ||
335 | struct gfs2_holder ri_gh, rg_gh; | ||
336 | int existing, error; | ||
337 | |||
338 | /* if we come from rename path, we could have the lock already */ | ||
339 | existing = gfs2_glock_is_locked_by_me(ri_gl); | ||
340 | if (!existing) { | ||
341 | error = gfs2_rindex_hold(sdp, &ri_gh); | ||
342 | if (error) | ||
343 | goto out; | ||
344 | } | ||
345 | |||
346 | /* find the matching rgd */ | ||
347 | error = -EIO; | ||
348 | rgd = gfs2_blk2rgrpd(sdp, ip->i_num.no_addr); | ||
349 | if (!rgd) | ||
350 | goto out_norgrp; | ||
351 | |||
352 | /* | ||
353 | * Eventually we may want to move rgd(s) to a linked list | ||
354 | * and piggyback the free logic into one of gfs2 daemons | ||
355 | * to gain some performance. | ||
356 | */ | ||
357 | if (!rgd->rd_gl || !gfs2_glock_is_locked_by_me(rgd->rd_gl)) { | ||
358 | error = gfs2_glock_nq_init(rgd->rd_gl, LM_ST_EXCLUSIVE, 0, &rg_gh); | ||
359 | if (error) | ||
360 | goto out_norgrp; | ||
361 | |||
362 | gfs2_unlink_di(&ip->i_inode); /* mark inode unlinked */ | ||
363 | gfs2_glock_dq_uninit(&rg_gh); | ||
364 | } | ||
365 | |||
366 | out_norgrp: | ||
367 | if (!existing) | ||
368 | gfs2_glock_dq_uninit(&ri_gh); | ||
369 | out: | ||
370 | return error; | ||
371 | } | ||
372 | |||
373 | struct inode *gfs2_lookup_simple(struct inode *dip, const char *name) | 373 | struct inode *gfs2_lookup_simple(struct inode *dip, const char *name) |
374 | { | 374 | { |
375 | struct qstr qstr; | 375 | struct qstr qstr; |
diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h index cee281b5326b..b57f448b15bc 100644 --- a/fs/gfs2/inode.h +++ b/fs/gfs2/inode.h | |||
@@ -40,7 +40,6 @@ int gfs2_inode_refresh(struct gfs2_inode *ip); | |||
40 | 40 | ||
41 | int gfs2_dinode_dealloc(struct gfs2_inode *inode); | 41 | int gfs2_dinode_dealloc(struct gfs2_inode *inode); |
42 | int gfs2_change_nlink(struct gfs2_inode *ip, int diff); | 42 | int gfs2_change_nlink(struct gfs2_inode *ip, int diff); |
43 | int gfs2_change_nlink_i(struct gfs2_inode *ip); | ||
44 | struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name, | 43 | struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name, |
45 | int is_root, struct nameidata *nd); | 44 | int is_root, struct nameidata *nd); |
46 | struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name, | 45 | struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name, |