diff options
Diffstat (limited to 'fs/befs/linuxvfs.c')
-rw-r--r-- | fs/befs/linuxvfs.c | 113 |
1 files changed, 57 insertions, 56 deletions
diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c index 845d2d6..d626756 100644 --- a/fs/befs/linuxvfs.c +++ b/fs/befs/linuxvfs.c @@ -5,6 +5,8 @@ * */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> #include <linux/slab.h> #include <linux/fs.h> @@ -39,7 +41,6 @@ static struct dentry *befs_lookup(struct inode *, struct dentry *, unsigned int) static struct inode *befs_iget(struct super_block *, unsigned long); static struct inode *befs_alloc_inode(struct super_block *sb); static void befs_destroy_inode(struct inode *inode); -static int befs_init_inodecache(void); static void befs_destroy_inodecache(void); static void *befs_follow_link(struct dentry *, struct nameidata *); static void *befs_fast_follow_link(struct dentry *, struct nameidata *); @@ -131,26 +132,28 @@ befs_get_block(struct inode *inode, sector_t block, ulong disk_off; befs_debug(sb, "---> befs_get_block() for inode %lu, block %ld", - inode->i_ino, block); + (unsigned long)inode->i_ino, (long)block); if (block < 0) { befs_error(sb, "befs_get_block() was asked for a block " "number less than zero: block %ld in inode %lu", - block, inode->i_ino); + (long)block, (unsigned long)inode->i_ino); return -EIO; } if (create) { befs_error(sb, "befs_get_block() was asked to write to " - "block %ld in inode %lu", block, inode->i_ino); + "block %ld in inode %lu", (long)block, + (unsigned long)inode->i_ino); return -EPERM; } res = befs_fblock2brun(sb, ds, block, &run); if (res != BEFS_OK) { befs_error(sb, - "<--- befs_get_block() for inode %lu, block " - "%ld ERROR", inode->i_ino, block); + "<--- %s for inode %lu, block %ld ERROR", + __func__, (unsigned long)inode->i_ino, + (long)block); return -EFBIG; } @@ -158,8 +161,9 @@ befs_get_block(struct inode *inode, sector_t block, map_bh(bh_result, inode->i_sb, disk_off); - befs_debug(sb, "<--- befs_get_block() for inode %lu, block %ld, " - "disk address %lu", inode->i_ino, block, disk_off); + befs_debug(sb, "<--- %s for inode %lu, block %ld, disk address %lu", + __func__, (unsigned long)inode->i_ino, (long)block, + (unsigned long)disk_off); return 0; } @@ -176,15 +180,15 @@ befs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) char *utfname; const char *name = dentry->d_name.name; - befs_debug(sb, "---> befs_lookup() " - "name %s inode %ld", dentry->d_name.name, dir->i_ino); + befs_debug(sb, "---> %s name %s inode %ld", __func__, + dentry->d_name.name, dir->i_ino); /* Convert to UTF-8 */ if (BEFS_SB(sb)->nls) { ret = befs_nls2utf(sb, name, strlen(name), &utfname, &utfnamelen); if (ret < 0) { - befs_debug(sb, "<--- befs_lookup() ERROR"); + befs_debug(sb, "<--- %s ERROR", __func__); return ERR_PTR(ret); } ret = befs_btree_find(sb, ds, utfname, &offset); @@ -195,12 +199,12 @@ befs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) } if (ret == BEFS_BT_NOT_FOUND) { - befs_debug(sb, "<--- befs_lookup() %s not found", + befs_debug(sb, "<--- %s %s not found", __func__, dentry->d_name.name); return ERR_PTR(-ENOENT); } else if (ret != BEFS_OK || offset == 0) { - befs_warning(sb, "<--- befs_lookup() Error"); + befs_warning(sb, "<--- %s Error", __func__); return ERR_PTR(-ENODATA); } @@ -210,7 +214,7 @@ befs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) d_add(dentry, inode); - befs_debug(sb, "<--- befs_lookup()"); + befs_debug(sb, "<--- %s", __func__); return NULL; } @@ -228,26 +232,25 @@ befs_readdir(struct file *file, struct dir_context *ctx) char keybuf[BEFS_NAME_LEN + 1]; const char *dirname = file->f_path.dentry->d_name.name; - befs_debug(sb, "---> befs_readdir() " - "name %s, inode %ld, ctx->pos %Ld", - dirname, inode->i_ino, ctx->pos); + befs_debug(sb, "---> %s name %s, inode %ld, ctx->pos %lld", + __func__, dirname, inode->i_ino, ctx->pos); more: result = befs_btree_read(sb, ds, ctx->pos, BEFS_NAME_LEN + 1, keybuf, &keysize, &value); if (result == BEFS_ERR) { - befs_debug(sb, "<--- befs_readdir() ERROR"); + befs_debug(sb, "<--- %s ERROR", __func__); befs_error(sb, "IO error reading %s (inode %lu)", dirname, inode->i_ino); return -EIO; } else if (result == BEFS_BT_END) { - befs_debug(sb, "<--- befs_readdir() END"); + befs_debug(sb, "<--- %s END", __func__); return 0; } else if (result == BEFS_BT_EMPTY) { - befs_debug(sb, "<--- befs_readdir() Empty directory"); + befs_debug(sb, "<--- %s Empty directory", __func__); return 0; } @@ -260,7 +263,7 @@ more: result = befs_utf2nls(sb, keybuf, keysize, &nlsname, &nlsnamelen); if (result < 0) { - befs_debug(sb, "<--- befs_readdir() ERROR"); + befs_debug(sb, "<--- %s ERROR", __func__); return result; } if (!dir_emit(ctx, nlsname, nlsnamelen, @@ -277,7 +280,7 @@ more: ctx->pos++; goto more; - befs_debug(sb, "<--- befs_readdir() pos %Ld", ctx->pos); + befs_debug(sb, "<--- %s pos %lld", __func__, ctx->pos); return 0; } @@ -321,7 +324,7 @@ static struct inode *befs_iget(struct super_block *sb, unsigned long ino) struct inode *inode; long ret = -EIO; - befs_debug(sb, "---> befs_read_inode() " "inode = %lu", ino); + befs_debug(sb, "---> %s inode = %lu", __func__, ino); inode = iget_locked(sb, ino); if (!inode) @@ -428,7 +431,7 @@ static struct inode *befs_iget(struct super_block *sb, unsigned long ino) } brelse(bh); - befs_debug(sb, "<--- befs_read_inode()"); + befs_debug(sb, "<--- %s", __func__); unlock_new_inode(inode); return inode; @@ -437,7 +440,7 @@ static struct inode *befs_iget(struct super_block *sb, unsigned long ino) unacquire_none: iget_failed(inode); - befs_debug(sb, "<--- befs_read_inode() - Bad inode"); + befs_debug(sb, "<--- %s - Bad inode", __func__); return ERR_PTR(ret); } @@ -445,7 +448,7 @@ static struct inode *befs_iget(struct super_block *sb, unsigned long ino) * * Taken from NFS implementation by Al Viro. */ -static int +static int __init befs_init_inodecache(void) { befs_inode_cachep = kmem_cache_create("befs_inode_cache", @@ -454,11 +457,9 @@ befs_init_inodecache(void) SLAB_MEM_SPREAD), init_once); if (befs_inode_cachep == NULL) { - printk(KERN_ERR "befs_init_inodecache: " - "Couldn't initialize inode slabcache\n"); + pr_err("%s: Couldn't initialize inode slabcache\n", __func__); return -ENOMEM; } - return 0; } @@ -544,16 +545,16 @@ befs_utf2nls(struct super_block *sb, const char *in, */ int maxlen = in_len + 1; - befs_debug(sb, "---> utf2nls()"); + befs_debug(sb, "---> %s", __func__); if (!nls) { - befs_error(sb, "befs_utf2nls called with no NLS table loaded"); + befs_error(sb, "%s called with no NLS table loaded", __func__); return -EINVAL; } *out = result = kmalloc(maxlen, GFP_NOFS); if (!*out) { - befs_error(sb, "befs_utf2nls() cannot allocate memory"); + befs_error(sb, "%s cannot allocate memory", __func__); *out_len = 0; return -ENOMEM; } @@ -575,14 +576,14 @@ befs_utf2nls(struct super_block *sb, const char *in, result[o] = '\0'; *out_len = o; - befs_debug(sb, "<--- utf2nls()"); + befs_debug(sb, "<--- %s", __func__); return o; conv_err: befs_error(sb, "Name using character set %s contains a character that " "cannot be converted to unicode.", nls->charset); - befs_debug(sb, "<--- utf2nls()"); + befs_debug(sb, "<--- %s", __func__); kfree(result); return -EILSEQ; } @@ -623,16 +624,17 @@ befs_nls2utf(struct super_block *sb, const char *in, * in special cases */ int maxlen = (3 * in_len) + 1; - befs_debug(sb, "---> nls2utf()\n"); + befs_debug(sb, "---> %s\n", __func__); if (!nls) { - befs_error(sb, "befs_nls2utf called with no NLS table loaded."); + befs_error(sb, "%s called with no NLS table loaded.", + __func__); return -EINVAL; } *out = result = kmalloc(maxlen, GFP_NOFS); if (!*out) { - befs_error(sb, "befs_nls2utf() cannot allocate memory"); + befs_error(sb, "%s cannot allocate memory", __func__); *out_len = 0; return -ENOMEM; } @@ -653,14 +655,14 @@ befs_nls2utf(struct super_block *sb, const char *in, result[o] = '\0'; *out_len = o; - befs_debug(sb, "<--- nls2utf()"); + befs_debug(sb, "<--- %s", __func__); return i; conv_err: befs_error(sb, "Name using charecter set %s contains a charecter that " "cannot be converted to unicode.", nls->charset); - befs_debug(sb, "<--- nls2utf()"); + befs_debug(sb, "<--- %s", __func__); kfree(result); return -EILSEQ; } @@ -715,8 +717,8 @@ parse_options(char *options, befs_mount_options * opts) if (option >= 0) uid = make_kuid(current_user_ns(), option); if (!uid_valid(uid)) { - printk(KERN_ERR "BeFS: Invalid uid %d, " - "using default\n", option); + pr_err("Invalid uid %d, " + "using default\n", option); break; } opts->uid = uid; @@ -729,8 +731,8 @@ parse_options(char *options, befs_mount_options * opts) if (option >= 0) gid = make_kgid(current_user_ns(), option); if (!gid_valid(gid)) { - printk(KERN_ERR "BeFS: Invalid gid %d, " - "using default\n", option); + pr_err("Invalid gid %d, " + "using default\n", option); break; } opts->gid = gid; @@ -740,8 +742,8 @@ parse_options(char *options, befs_mount_options * opts) kfree(opts->iocharset); opts->iocharset = match_strdup(&args[0]); if (!opts->iocharset) { - printk(KERN_ERR "BeFS: allocation failure for " - "iocharset string\n"); + pr_err("allocation failure for " + "iocharset string\n"); return 0; } break; @@ -749,8 +751,8 @@ parse_options(char *options, befs_mount_options * opts) opts->debug = 1; break; default: - printk(KERN_ERR "BeFS: Unrecognized mount option \"%s\" " - "or missing value\n", p); + pr_err("Unrecognized mount option \"%s\" " + "or missing value\n", p); return 0; } } @@ -791,22 +793,20 @@ befs_fill_super(struct super_block *sb, void *data, int silent) save_mount_options(sb, data); - sb->s_fs_info = kmalloc(sizeof (*befs_sb), GFP_KERNEL); + sb->s_fs_info = kzalloc(sizeof(*befs_sb), GFP_KERNEL); if (sb->s_fs_info == NULL) { - printk(KERN_ERR - "BeFS(%s): Unable to allocate memory for private " + pr_err("(%s): Unable to allocate memory for private " "portion of superblock. Bailing.\n", sb->s_id); goto unacquire_none; } befs_sb = BEFS_SB(sb); - memset(befs_sb, 0, sizeof(befs_sb_info)); if (!parse_options((char *) data, &befs_sb->mount_opts)) { befs_error(sb, "cannot parse mount options"); goto unacquire_priv_sbp; } - befs_debug(sb, "---> befs_fill_super()"); + befs_debug(sb, "---> %s", __func__); #ifndef CONFIG_BEFS_RW if (!(sb->s_flags & MS_RDONLY)) { @@ -854,7 +854,7 @@ befs_fill_super(struct super_block *sb, void *data, int silent) goto unacquire_priv_sbp; if( befs_sb->num_blocks > ~((sector_t)0) ) { - befs_error(sb, "blocks count: %Lu " + befs_error(sb, "blocks count: %llu " "is larger than the host can use", befs_sb->num_blocks); goto unacquire_priv_sbp; @@ -913,6 +913,7 @@ befs_fill_super(struct super_block *sb, void *data, int silent) static int befs_remount(struct super_block *sb, int *flags, char *data) { + sync_filesystem(sb); if (!(*flags & MS_RDONLY)) return -EINVAL; return 0; @@ -924,7 +925,7 @@ befs_statfs(struct dentry *dentry, struct kstatfs *buf) struct super_block *sb = dentry->d_sb; u64 id = huge_encode_dev(sb->s_bdev->bd_dev); - befs_debug(sb, "---> befs_statfs()"); + befs_debug(sb, "---> %s", __func__); buf->f_type = BEFS_SUPER_MAGIC; buf->f_bsize = sb->s_blocksize; @@ -937,7 +938,7 @@ befs_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_fsid.val[1] = (u32)(id >> 32); buf->f_namelen = BEFS_NAME_LEN; - befs_debug(sb, "<--- befs_statfs()"); + befs_debug(sb, "<--- %s", __func__); return 0; } @@ -963,7 +964,7 @@ init_befs_fs(void) { int err; - printk(KERN_INFO "BeFS version: %s\n", BEFS_VERSION); + pr_info("version: %s\n", BEFS_VERSION); err = befs_init_inodecache(); if (err) |