diff options
Diffstat (limited to 'fs/jffs2')
-rw-r--r-- | fs/jffs2/dir.c | 12 | ||||
-rw-r--r-- | fs/jffs2/os-linux.h | 3 | ||||
-rw-r--r-- | fs/jffs2/readinode.c | 45 | ||||
-rw-r--r-- | fs/jffs2/symlink.c | 26 |
4 files changed, 40 insertions, 46 deletions
diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c index 3ca0d25eef1..5738df22377 100644 --- a/fs/jffs2/dir.c +++ b/fs/jffs2/dir.c @@ -7,7 +7,7 @@ * * For licensing information, see the file 'LICENCE' in this directory. * - * $Id: dir.c,v 1.86 2005/07/06 12:13:09 dwmw2 Exp $ + * $Id: dir.c,v 1.87 2005/07/17 11:13:46 dedekind Exp $ * */ @@ -344,9 +344,9 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char return PTR_ERR(fn); } - /* We use f->dents field to store the target path. */ - f->dents = kmalloc(targetlen + 1, GFP_KERNEL); - if (!f->dents) { + /* We use f->target field to store the target path. */ + f->target = kmalloc(targetlen + 1, GFP_KERNEL); + if (!f->target) { printk(KERN_WARNING "Can't allocate %d bytes of memory\n", targetlen + 1); up(&f->sem); jffs2_complete_reservation(c); @@ -354,8 +354,8 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char return -ENOMEM; } - memcpy(f->dents, target, targetlen + 1); - D1(printk(KERN_DEBUG "jffs2_symlink: symlink's target '%s' cached\n", (char *)f->dents)); + memcpy(f->target, target, targetlen + 1); + D1(printk(KERN_DEBUG "jffs2_symlink: symlink's target '%s' cached\n", (char *)f->target)); /* No data here. Only a metadata node, which will be obsoleted by the first data write diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h index d900c8929b0..0fc952eaf8c 100644 --- a/fs/jffs2/os-linux.h +++ b/fs/jffs2/os-linux.h @@ -7,7 +7,7 @@ * * For licensing information, see the file 'LICENCE' in this directory. * - * $Id: os-linux.h,v 1.58 2005/07/12 02:34:35 tpoynor Exp $ + * $Id: os-linux.h,v 1.59 2005/07/17 11:13:46 dedekind Exp $ * */ @@ -57,6 +57,7 @@ static inline void jffs2_init_inode_info(struct jffs2_inode_info *f) f->fragtree = RB_ROOT; f->metadata = NULL; f->dents = NULL; + f->target = NULL; f->flags = 0; f->usercompr = 0; } diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c index cf39bcf3e3c..49da1a6cfc8 100644 --- a/fs/jffs2/readinode.c +++ b/fs/jffs2/readinode.c @@ -7,7 +7,7 @@ * * For licensing information, see the file 'LICENCE' in this directory. * - * $Id: readinode.c,v 1.126 2005/07/17 06:56:21 dedekind Exp $ + * $Id: readinode.c,v 1.127 2005/07/17 11:13:46 dedekind Exp $ * */ @@ -547,11 +547,10 @@ static int jffs2_do_read_inode_internal(struct jffs2_sb_info *c, if (f->inocache->state != INO_STATE_CHECKING) { /* Symlink's inode data is the target path. Read it and - * keep in RAM to facilitate quick follow symlink operation. - * We use f->dents field to store the target path, which - * is somewhat ugly. */ - f->dents = kmalloc(je32_to_cpu(latest_node->csize) + 1, GFP_KERNEL); - if (!f->dents) { + * keep in RAM to facilitate quick follow symlink + * operation. */ + f->target = kmalloc(je32_to_cpu(latest_node->csize) + 1, GFP_KERNEL); + if (!f->target) { printk(KERN_WARNING "Can't allocate %d bytes of memory " "for the symlink target path cache\n", je32_to_cpu(latest_node->csize)); @@ -561,21 +560,21 @@ static int jffs2_do_read_inode_internal(struct jffs2_sb_info *c, } ret = jffs2_flash_read(c, ref_offset(fn->raw) + sizeof(*latest_node), - je32_to_cpu(latest_node->csize), &retlen, (char *)f->dents); + je32_to_cpu(latest_node->csize), &retlen, (char *)f->target); if (ret || retlen != je32_to_cpu(latest_node->csize)) { if (retlen != je32_to_cpu(latest_node->csize)) ret = -EIO; - kfree(f->dents); - f->dents = NULL; + kfree(f->target); + f->target = NULL; up(&f->sem); jffs2_do_clear_inode(c, f); return -ret; } - ((char *)f->dents)[je32_to_cpu(latest_node->csize)] = '\0'; + f->target[je32_to_cpu(latest_node->csize)] = '\0'; D1(printk(KERN_DEBUG "jffs2_do_read_inode(): symlink's target '%s' cached\n", - (char *)f->dents)); + f->target)); } /* fall through... */ @@ -638,20 +637,16 @@ void jffs2_do_clear_inode(struct jffs2_sb_info *c, struct jffs2_inode_info *f) jffs2_kill_fragtree(&f->fragtree, deleted?c:NULL); - /* For symlink inodes we us f->dents to store the target path name */ - if (S_ISLNK(OFNI_EDONI_2SFFJ(f)->i_mode)) { - if (f->dents) { - kfree(f->dents); - f->dents = NULL; - } - } else { - fds = f->dents; - - while(fds) { - fd = fds; - fds = fd->next; - jffs2_free_full_dirent(fd); - } + if (f->target) { + kfree(f->target); + f->target = NULL; + } + + fds = f->dents; + while(fds) { + fd = fds; + fds = fd->next; + jffs2_free_full_dirent(fd); } if (f->inocache && f->inocache->state != INO_STATE_CHECKING) { diff --git a/fs/jffs2/symlink.c b/fs/jffs2/symlink.c index 82ef484f5e1..6fd5ee4f90b 100644 --- a/fs/jffs2/symlink.c +++ b/fs/jffs2/symlink.c @@ -7,7 +7,7 @@ * * For licensing information, see the file 'LICENCE' in this directory. * - * $Id: symlink.c,v 1.16 2005/03/01 10:50:48 dedekind Exp $ + * $Id: symlink.c,v 1.18 2005/11/06 11:03:27 gleixner Exp $ * */ @@ -30,35 +30,33 @@ struct inode_operations jffs2_symlink_inode_operations = static void *jffs2_follow_link(struct dentry *dentry, struct nameidata *nd) { struct jffs2_inode_info *f = JFFS2_INODE_INFO(dentry->d_inode); - char *p = (char *)f->dents; - + char *p = (char *)f->target; + /* * We don't acquire the f->sem mutex here since the only data we - * use is f->dents which in case of the symlink inode points to the - * symlink's target path. + * use is f->target. * - * 1. If we are here the inode has already built and f->dents has + * 1. If we are here the inode has already built and f->target has * to point to the target path. - * 2. Nobody uses f->dents (if the inode is symlink's inode). The - * exception is inode freeing function which frees f->dents. But + * 2. Nobody uses f->target (if the inode is symlink's inode). The + * exception is inode freeing function which frees f->target. But * it can't be called while we are here and before VFS has - * stopped using our f->dents string which we provide by means of + * stopped using our f->target string which we provide by means of * nd_set_link() call. */ if (!p) { printk(KERN_ERR "jffs2_follow_link(): can't find symlink taerget\n"); p = ERR_PTR(-EIO); - } else { - D1(printk(KERN_DEBUG "jffs2_follow_link(): target path is '%s'\n", (char *) f->dents)); } + D1(printk(KERN_DEBUG "jffs2_follow_link(): target path is '%s'\n", (char *) f->target)); nd_set_link(nd, p); /* - * We unlock the f->sem mutex but VFS will use the f->dents string. This is safe - * since the only way that may cause f->dents to be changed is iput() operation. - * But VFS will not use f->dents after iput() has been called. + * We will unlock the f->sem mutex but VFS will use the f->target string. This is safe + * since the only way that may cause f->target to be changed is iput() operation. + * But VFS will not use f->target after iput() has been called. */ return NULL; } |