diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-07 10:20:31 -0800 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-07 10:20:31 -0800 |
commit | a8e98d6d51a3eb7bb061b1625193a129c8bd094f (patch) | |
tree | 0fa58b6e11e37023b024e55b8f0e7e01438706d4 /fs/jffs2 | |
parent | f0f1b3364ae7f48084bdf2837fb979ff59622523 (diff) | |
parent | f9f7dd222364a6428d2ad99a515935dd1dd89d18 (diff) |
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: (120 commits)
[MTD] Fix mtdoops.c compilation
[MTD] [NOR] fix startup lock when using multiple nor flash chips
[MTD] [DOC200x] eccbuf is statically defined and always evaluate to true
[MTD] Fix maps/physmap.c compilation with CONFIG_PM
[MTD] onenand: Add panic_write function to the onenand driver
[MTD] mtdoops: Use the panic_write function when present
[MTD] Add mtd panic_write function pointer
[MTD] [NAND] Freescale enhanced Local Bus Controller FCM NAND support.
[MTD] physmap.c: Add support for multiple resources
[MTD] [NAND] Fix misparenthesization introduced by commit 78b65179...
[MTD] [NAND] Fix Blackfin NFC ECC calculating bug with page size 512 bytes
[MTD] [NAND] Remove wrong operation in PM function of the BF54x NFC driver
[MTD] [NAND] Remove unused variable in plat_nand_remove
[MTD] Unlocking all Intel flash that is locked on power up.
[MTD] [NAND] at91_nand: Make mtdparts option can override board info
[MTD] mtdoops: Various minor cleanups
[MTD] mtdoops: Ensure sequential write to the buffer
[MTD] mtdoops: Perform write operations in a workqueue
[MTD] mtdoops: Add further error return code checking
[MTD] [NOR] Test devtype, not definition in flash_probe(), drivers/mtd/devices/lart.c
...
Diffstat (limited to 'fs/jffs2')
-rw-r--r-- | fs/jffs2/acl.c | 6 | ||||
-rw-r--r-- | fs/jffs2/acl.h | 2 | ||||
-rw-r--r-- | fs/jffs2/fs.c | 6 | ||||
-rw-r--r-- | fs/jffs2/nodelist.c | 9 | ||||
-rw-r--r-- | fs/jffs2/readinode.c | 31 | ||||
-rw-r--r-- | fs/jffs2/write.c | 28 |
6 files changed, 42 insertions, 40 deletions
diff --git a/fs/jffs2/acl.c b/fs/jffs2/acl.c index 77fc5838609c..4c80404a9aba 100644 --- a/fs/jffs2/acl.c +++ b/fs/jffs2/acl.c @@ -176,7 +176,7 @@ static void jffs2_iset_acl(struct inode *inode, struct posix_acl **i_acl, struct spin_unlock(&inode->i_lock); } -struct posix_acl *jffs2_get_acl(struct inode *inode, int type) +static struct posix_acl *jffs2_get_acl(struct inode *inode, int type) { struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode); struct posix_acl *acl; @@ -345,8 +345,10 @@ int jffs2_init_acl_pre(struct inode *dir_i, struct inode *inode, int *i_mode) if (!clone) return -ENOMEM; rc = posix_acl_create_masq(clone, (mode_t *)i_mode); - if (rc < 0) + if (rc < 0) { + posix_acl_release(clone); return rc; + } if (rc > 0) jffs2_iset_acl(inode, &f->i_acl_access, clone); diff --git a/fs/jffs2/acl.h b/fs/jffs2/acl.h index 76c6ebd1acd9..0bb7f003fd80 100644 --- a/fs/jffs2/acl.h +++ b/fs/jffs2/acl.h @@ -28,7 +28,6 @@ struct jffs2_acl_header { #define JFFS2_ACL_NOT_CACHED ((void *)-1) -extern struct posix_acl *jffs2_get_acl(struct inode *inode, int type); extern int jffs2_permission(struct inode *, int, struct nameidata *); extern int jffs2_acl_chmod(struct inode *); extern int jffs2_init_acl_pre(struct inode *, struct inode *, int *); @@ -40,7 +39,6 @@ extern struct xattr_handler jffs2_acl_default_xattr_handler; #else -#define jffs2_get_acl(inode, type) (NULL) #define jffs2_permission (NULL) #define jffs2_acl_chmod(inode) (0) #define jffs2_init_acl_pre(dir_i,inode,mode) (0) diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c index 6d1eaddde0ec..e26ea78c7892 100644 --- a/fs/jffs2/fs.c +++ b/fs/jffs2/fs.c @@ -97,11 +97,7 @@ int jffs2_do_setattr (struct inode *inode, struct iattr *iattr) ri->gid = cpu_to_je16((ivalid & ATTR_GID)?iattr->ia_gid:inode->i_gid); if (ivalid & ATTR_MODE) - if (iattr->ia_mode & S_ISGID && - !in_group_p(je16_to_cpu(ri->gid)) && !capable(CAP_FSETID)) - ri->mode = cpu_to_jemode(iattr->ia_mode & ~S_ISGID); - else - ri->mode = cpu_to_jemode(iattr->ia_mode); + ri->mode = cpu_to_jemode(iattr->ia_mode); else ri->mode = cpu_to_jemode(inode->i_mode); diff --git a/fs/jffs2/nodelist.c b/fs/jffs2/nodelist.c index 4bf86088b3ae..87c6f555e1a0 100644 --- a/fs/jffs2/nodelist.c +++ b/fs/jffs2/nodelist.c @@ -32,15 +32,18 @@ void jffs2_add_fd_to_list(struct jffs2_sb_info *c, struct jffs2_full_dirent *new if ((*prev)->nhash == new->nhash && !strcmp((*prev)->name, new->name)) { /* Duplicate. Free one */ if (new->version < (*prev)->version) { - dbg_dentlist("Eep! Marking new dirent node is obsolete, old is \"%s\", ino #%u\n", + dbg_dentlist("Eep! Marking new dirent node obsolete, old is \"%s\", ino #%u\n", (*prev)->name, (*prev)->ino); jffs2_mark_node_obsolete(c, new->raw); jffs2_free_full_dirent(new); } else { - dbg_dentlist("marking old dirent \"%s\", ino #%u bsolete\n", + dbg_dentlist("marking old dirent \"%s\", ino #%u obsolete\n", (*prev)->name, (*prev)->ino); new->next = (*prev)->next; - jffs2_mark_node_obsolete(c, ((*prev)->raw)); + /* It may have been a 'placeholder' deletion dirent, + if jffs2_can_mark_obsolete() (see jffs2_do_unlink()) */ + if ((*prev)->raw) + jffs2_mark_node_obsolete(c, ((*prev)->raw)); jffs2_free_full_dirent(*prev); *prev = new; } diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c index 6c1ba3566f58..e512a93d6249 100644 --- a/fs/jffs2/readinode.c +++ b/fs/jffs2/readinode.c @@ -37,23 +37,24 @@ static int check_node_data(struct jffs2_sb_info *c, struct jffs2_tmp_dnode_info BUG_ON(tn->csize == 0); - if (!jffs2_is_writebuffered(c)) - goto adj_acc; - /* Calculate how many bytes were already checked */ ofs = ref_offset(ref) + sizeof(struct jffs2_raw_inode); - len = ofs % c->wbuf_pagesize; - if (likely(len)) - len = c->wbuf_pagesize - len; - - if (len >= tn->csize) { - dbg_readinode("no need to check node at %#08x, data length %u, data starts at %#08x - it has already been checked.\n", - ref_offset(ref), tn->csize, ofs); - goto adj_acc; - } + len = tn->csize; + + if (jffs2_is_writebuffered(c)) { + int adj = ofs % c->wbuf_pagesize; + if (likely(adj)) + adj = c->wbuf_pagesize - adj; + + if (adj >= tn->csize) { + dbg_readinode("no need to check node at %#08x, data length %u, data starts at %#08x - it has already been checked.\n", + ref_offset(ref), tn->csize, ofs); + goto adj_acc; + } - ofs += len; - len = tn->csize - len; + ofs += adj; + len -= adj; + } dbg_readinode("check node at %#08x, data length %u, partial CRC %#08x, correct CRC %#08x, data starts at %#08x, start checking from %#08x - %u bytes.\n", ref_offset(ref), tn->csize, tn->partial_crc, tn->data_crc, ofs - len, ofs, len); @@ -63,7 +64,7 @@ static int check_node_data(struct jffs2_sb_info *c, struct jffs2_tmp_dnode_info * adding and jffs2_flash_read_end() interface. */ if (c->mtd->point) { err = c->mtd->point(c->mtd, ofs, len, &retlen, &buffer); - if (!err && retlen < tn->csize) { + if (!err && retlen < len) { JFFS2_WARNING("MTD point returned len too short: %zu instead of %u.\n", retlen, tn->csize); c->mtd->unpoint(c->mtd, buffer, ofs, retlen); } else if (err) diff --git a/fs/jffs2/write.c b/fs/jffs2/write.c index 1b88e6e734ef..776f13cbf2b5 100644 --- a/fs/jffs2/write.c +++ b/fs/jffs2/write.c @@ -582,7 +582,7 @@ int jffs2_do_unlink(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, jffs2_add_fd_to_list(c, fd, &dir_f->dents); up(&dir_f->sem); } else { - struct jffs2_full_dirent **prev = &dir_f->dents; + struct jffs2_full_dirent *fd = dir_f->dents; uint32_t nhash = full_name_hash(name, namelen); /* We don't actually want to reserve any space, but we do @@ -590,21 +590,22 @@ int jffs2_do_unlink(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, down(&c->alloc_sem); down(&dir_f->sem); - while ((*prev) && (*prev)->nhash <= nhash) { - if ((*prev)->nhash == nhash && - !memcmp((*prev)->name, name, namelen) && - !(*prev)->name[namelen]) { - struct jffs2_full_dirent *this = *prev; + for (fd = dir_f->dents; fd; fd = fd->next) { + if (fd->nhash == nhash && + !memcmp(fd->name, name, namelen) && + !fd->name[namelen]) { D1(printk(KERN_DEBUG "Marking old dirent node (ino #%u) @%08x obsolete\n", - this->ino, ref_offset(this->raw))); - - *prev = this->next; - jffs2_mark_node_obsolete(c, (this->raw)); - jffs2_free_full_dirent(this); + fd->ino, ref_offset(fd->raw))); + jffs2_mark_node_obsolete(c, fd->raw); + /* We don't want to remove it from the list immediately, + because that screws up getdents()/seek() semantics even + more than they're screwed already. Turn it into a + node-less deletion dirent instead -- a placeholder */ + fd->raw = NULL; + fd->ino = 0; break; } - prev = &((*prev)->next); } up(&dir_f->sem); } @@ -630,7 +631,8 @@ int jffs2_do_unlink(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, D1(printk(KERN_DEBUG "Removing deletion dirent for \"%s\" from dir ino #%u\n", fd->name, dead_f->inocache->ino)); } - jffs2_mark_node_obsolete(c, fd->raw); + if (fd->raw) + jffs2_mark_node_obsolete(c, fd->raw); jffs2_free_full_dirent(fd); } } |