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Searched refs:alloc_sem (Results 1 – 12 of 12) sorted by relevance

/linux-6.6.21/fs/jffs2/
Dsuper.c106 mutex_lock(&c->alloc_sem); in jffs2_sync_fs()
108 mutex_unlock(&c->alloc_sem); in jffs2_sync_fs()
220 mutex_lock(&c->alloc_sem); in jffs2_update_mount_opts()
229 mutex_unlock(&c->alloc_sem); in jffs2_update_mount_opts()
274 mutex_init(&c->alloc_sem); in jffs2_fill_super()
327 mutex_lock(&c->alloc_sem); in jffs2_put_super()
329 mutex_unlock(&c->alloc_sem); in jffs2_put_super()
DREADME.Locking10 alloc_sem
13 The alloc_sem is a per-filesystem mutex, used primarily to ensure
22 When writing new nodes, the alloc_sem must be held until the new nodes
25 nodes to an inode may obsolete old ones, and by holding the alloc_sem
33 the alloc_sem is also used to protect the wbuf-related members of the
64 1. Never attempt to allocate space or lock alloc_sem with
148 Lock wbuf_sem last, after the alloc_sem or and f->sem.
169 Lock xattr_sem last, after the alloc_sem.
Dgc.c134 if (mutex_lock_interruptible(&c->alloc_sem)) in jffs2_garbage_collect_pass()
182 mutex_unlock(&c->alloc_sem); in jffs2_garbage_collect_pass()
221 mutex_unlock(&c->alloc_sem); in jffs2_garbage_collect_pass()
243 mutex_unlock(&c->alloc_sem); in jffs2_garbage_collect_pass()
251 mutex_unlock(&c->alloc_sem); in jffs2_garbage_collect_pass()
257 mutex_lock(&c->alloc_sem); in jffs2_garbage_collect_pass()
271 mutex_unlock(&c->alloc_sem); in jffs2_garbage_collect_pass()
276 mutex_unlock(&c->alloc_sem); in jffs2_garbage_collect_pass()
286 mutex_unlock(&c->alloc_sem); in jffs2_garbage_collect_pass()
304 mutex_unlock(&c->alloc_sem); in jffs2_garbage_collect_pass()
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Dnodemgmt.c83 mutex_lock(&c->alloc_sem); in jffs2_reserve_space()
127 mutex_unlock(&c->alloc_sem); in jffs2_reserve_space()
151 mutex_unlock(&c->alloc_sem); in jffs2_reserve_space()
155 mutex_unlock(&c->alloc_sem); in jffs2_reserve_space()
193 mutex_lock(&c->alloc_sem); in jffs2_reserve_space()
208 mutex_unlock(&c->alloc_sem); in jffs2_reserve_space()
562 mutex_unlock(&c->alloc_sem); in jffs2_complete_reservation()
Dwbuf.c591 if (!mutex_is_locked(&c->alloc_sem)) { in __jffs2_flush_wbuf()
713 mutex_lock(&c->alloc_sem); in jffs2_flush_wbuf_gc()
716 mutex_unlock(&c->alloc_sem); in jffs2_flush_wbuf_gc()
737 mutex_unlock(&c->alloc_sem); in jffs2_flush_wbuf_gc()
744 mutex_lock(&c->alloc_sem); in jffs2_flush_wbuf_gc()
754 mutex_lock(&c->alloc_sem); in jffs2_flush_wbuf_gc()
759 mutex_unlock(&c->alloc_sem); in jffs2_flush_wbuf_gc()
Djffs2_fs_sb.h61 struct mutex alloc_sem; /* Used to protect all the following member
Dfile.c213 mutex_lock(&c->alloc_sem); in jffs2_write_begin()
239 mutex_unlock(&c->alloc_sem); in jffs2_write_begin()
Dfs.c409 mutex_lock(&c->alloc_sem); in jffs2_do_remount_fs()
411 mutex_unlock(&c->alloc_sem); in jffs2_do_remount_fs()
Dwrite.c606 mutex_lock(&c->alloc_sem); in jffs2_do_unlink()
/linux-6.6.21/fs/ext4/
Dialloc.c1190 down_read(&grp->alloc_sem); /* in __ext4_new_inode()
1211 up_read(&grp->alloc_sem); in __ext4_new_inode()
1543 down_write(&grp->alloc_sem); in ext4_init_inode_table()
1619 up_write(&grp->alloc_sem); in ext4_init_inode_table()
Dext4.h3412 struct rw_semaphore alloc_sem; member
Dmballoc.c3363 init_rwsem(&meta_group_info[i]->alloc_sem); in ext4_mb_add_groupinfo()