diff options
Diffstat (limited to 'fs/omfs')
| -rw-r--r-- | fs/omfs/dir.c | 94 | ||||
| -rw-r--r-- | fs/omfs/file.c | 10 | ||||
| -rw-r--r-- | fs/omfs/inode.c | 2 |
3 files changed, 44 insertions, 62 deletions
diff --git a/fs/omfs/dir.c b/fs/omfs/dir.c index acbaebcad3a..1b8e9e8405b 100644 --- a/fs/omfs/dir.c +++ b/fs/omfs/dir.c @@ -327,26 +327,23 @@ int omfs_is_bad(struct omfs_sb_info *sbi, struct omfs_header *header, return is_bad; } -static int omfs_fill_chain(struct file *filp, void *dirent, filldir_t filldir, +static bool omfs_fill_chain(struct inode *dir, struct dir_context *ctx, u64 fsblock, int hindex) { - struct inode *dir = file_inode(filp); - struct buffer_head *bh; - struct omfs_inode *oi; - u64 self; - int res = 0; - unsigned char d_type; - /* follow chain in this bucket */ while (fsblock != ~0) { - bh = omfs_bread(dir->i_sb, fsblock); + struct buffer_head *bh = omfs_bread(dir->i_sb, fsblock); + struct omfs_inode *oi; + u64 self; + unsigned char d_type; + if (!bh) - goto out; + return true; oi = (struct omfs_inode *) bh->b_data; if (omfs_is_bad(OMFS_SB(dir->i_sb), &oi->i_head, fsblock)) { brelse(bh); - goto out; + return true; } self = fsblock; @@ -361,15 +358,16 @@ static int omfs_fill_chain(struct file *filp, void *dirent, filldir_t filldir, d_type = (oi->i_type == OMFS_DIR) ? DT_DIR : DT_REG; - res = filldir(dirent, oi->i_name, strnlen(oi->i_name, - OMFS_NAMELEN), filp->f_pos, self, d_type); + if (!dir_emit(ctx, oi->i_name, + strnlen(oi->i_name, OMFS_NAMELEN), + self, d_type)) { + brelse(bh); + return false; + } brelse(bh); - if (res < 0) - break; - filp->f_pos++; + ctx->pos++; } -out: - return res; + return true; } static int omfs_rename(struct inode *old_dir, struct dentry *old_dentry, @@ -403,60 +401,44 @@ out: return err; } -static int omfs_readdir(struct file *filp, void *dirent, filldir_t filldir) +static int omfs_readdir(struct file *file, struct dir_context *ctx) { - struct inode *dir = file_inode(filp); + struct inode *dir = file_inode(file); struct buffer_head *bh; - loff_t offset, res; + __be64 *p; unsigned int hchain, hindex; int nbuckets; - u64 fsblock; - int ret = -EINVAL; - - if (filp->f_pos >> 32) - goto success; - - switch ((unsigned long) filp->f_pos) { - case 0: - if (filldir(dirent, ".", 1, 0, dir->i_ino, DT_DIR) < 0) - goto success; - filp->f_pos++; - /* fall through */ - case 1: - if (filldir(dirent, "..", 2, 1, - parent_ino(filp->f_dentry), DT_DIR) < 0) - goto success; - filp->f_pos = 1 << 20; - /* fall through */ + + if (ctx->pos >> 32) + return -EINVAL; + + if (ctx->pos < 1 << 20) { + if (!dir_emit_dots(file, ctx)) + return 0; + ctx->pos = 1 << 20; } nbuckets = (dir->i_size - OMFS_DIR_START) / 8; /* high 12 bits store bucket + 1 and low 20 bits store hash index */ - hchain = (filp->f_pos >> 20) - 1; - hindex = filp->f_pos & 0xfffff; + hchain = (ctx->pos >> 20) - 1; + hindex = ctx->pos & 0xfffff; bh = omfs_bread(dir->i_sb, dir->i_ino); if (!bh) - goto out; + return -EINVAL; - offset = OMFS_DIR_START + hchain * 8; + p = (__be64 *)(bh->b_data + OMFS_DIR_START) + hchain; - for (; hchain < nbuckets; hchain++, offset += 8) { - fsblock = be64_to_cpu(*((__be64 *) &bh->b_data[offset])); - - res = omfs_fill_chain(filp, dirent, filldir, fsblock, hindex); - hindex = 0; - if (res < 0) + for (; hchain < nbuckets; hchain++) { + __u64 fsblock = be64_to_cpu(*p++); + if (!omfs_fill_chain(dir, ctx, fsblock, hindex)) break; - - filp->f_pos = (hchain+2) << 20; + hindex = 0; + ctx->pos = (hchain+2) << 20; } brelse(bh); -success: - ret = 0; -out: - return ret; + return 0; } const struct inode_operations omfs_dir_inops = { @@ -470,6 +452,6 @@ const struct inode_operations omfs_dir_inops = { const struct file_operations omfs_dir_operations = { .read = generic_read_dir, - .readdir = omfs_readdir, + .iterate = omfs_readdir, .llseek = generic_file_llseek, }; diff --git a/fs/omfs/file.c b/fs/omfs/file.c index e0d9b3e722b..902e88527fc 100644 --- a/fs/omfs/file.c +++ b/fs/omfs/file.c @@ -311,7 +311,7 @@ static void omfs_write_failed(struct address_space *mapping, loff_t to) struct inode *inode = mapping->host; if (to > inode->i_size) { - truncate_pagecache(inode, to, inode->i_size); + truncate_pagecache(inode, inode->i_size); omfs_truncate(inode); } } @@ -337,10 +337,10 @@ static sector_t omfs_bmap(struct address_space *mapping, sector_t block) const struct file_operations omfs_file_operations = { .llseek = generic_file_llseek, - .read = do_sync_read, - .write = do_sync_write, - .aio_read = generic_file_aio_read, - .aio_write = generic_file_aio_write, + .read = new_sync_read, + .write = new_sync_write, + .read_iter = generic_file_read_iter, + .write_iter = generic_file_write_iter, .mmap = generic_file_mmap, .fsync = generic_file_fsync, .splice_read = generic_file_splice_read, diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c index d8b0afde217..ec58c765918 100644 --- a/fs/omfs/inode.c +++ b/fs/omfs/inode.c @@ -183,7 +183,7 @@ int omfs_sync_inode(struct inode *inode) */ static void omfs_evict_inode(struct inode *inode) { - truncate_inode_pages(&inode->i_data, 0); + truncate_inode_pages_final(&inode->i_data); clear_inode(inode); if (inode->i_nlink) |