diff options
Diffstat (limited to 'fs/gfs2')
| -rw-r--r-- | fs/gfs2/bmap.c | 81 | ||||
| -rw-r--r-- | fs/gfs2/bmap.h | 2 | ||||
| -rw-r--r-- | fs/gfs2/dir.c | 51 | ||||
| -rw-r--r-- | fs/gfs2/dir.h | 2 | ||||
| -rw-r--r-- | fs/gfs2/eattr.c | 57 | ||||
| -rw-r--r-- | fs/gfs2/eattr.h | 2 | ||||
| -rw-r--r-- | fs/gfs2/util.c | 30 | ||||
| -rw-r--r-- | fs/gfs2/util.h | 8 |
8 files changed, 1 insertions, 232 deletions
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index 4b4e295..bece362 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -999,7 +999,7 @@ static int do_shrink(struct gfs2_inode *ip, uint64_t size, } /** - * gfs2_truncatei - make a file a give size + * gfs2_truncatei - make a file a given size * @ip: the inode * @size: the size to make the file * @truncator: function to truncate the last partial block @@ -1125,82 +1125,3 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, uint64_t offset, return 0; } -/** - * do_gfm - Copy out the dinode/indirect blocks of a file - * @ip: the file - * @dibh: the dinode buffer - * @bh: the indirect buffer we're looking at - * @top: the first pointer in the block - * @bottom: one more than the last pointer in the block - * @height: the height the block is at - * @data: a pointer to a struct gfs2_user_buffer structure - * - * If this is a journaled file, copy out the data too. - * - * Returns: errno - */ - -static int do_gfm(struct gfs2_inode *ip, struct buffer_head *dibh, - struct buffer_head *bh, uint64_t *top, uint64_t *bottom, - unsigned int height, void *data) -{ - struct gfs2_user_buffer *ub = (struct gfs2_user_buffer *)data; - int error; - - error = gfs2_add_bh_to_ub(ub, bh); - if (error) - return error; - - if (!S_ISDIR(ip->i_di.di_mode) || - height + 1 != ip->i_di.di_height) - return 0; - - for (; top < bottom; top++) - if (*top) { - struct buffer_head *data_bh; - - error = gfs2_meta_read(ip->i_gl, be64_to_cpu(*top), - DIO_START | DIO_WAIT, - &data_bh); - if (error) - return error; - - error = gfs2_add_bh_to_ub(ub, data_bh); - - brelse(data_bh); - - if (error) - return error; - } - - return 0; -} - -/** - * gfs2_get_file_meta - return all the metadata for a file - * @ip: the file - * @ub: the structure representing the meta - * - * Returns: errno - */ - -int gfs2_get_file_meta(struct gfs2_inode *ip, struct gfs2_user_buffer *ub) -{ - int error; - - if (gfs2_is_stuffed(ip)) { - struct buffer_head *dibh; - error = gfs2_meta_inode_buffer(ip, &dibh); - if (!error) { - error = gfs2_add_bh_to_ub(ub, dibh); - brelse(dibh); - } - } else { - struct metapath mp; - find_metapath(ip, 0, &mp); - error = recursive_scan(ip, NULL, &mp, 0, 0, 1, do_gfm, ub); - } - - return error; -} - diff --git a/fs/gfs2/bmap.h b/fs/gfs2/bmap.h index de16e44..25ea329 100644 --- a/fs/gfs2/bmap.h +++ b/fs/gfs2/bmap.h @@ -34,6 +34,4 @@ void gfs2_write_calc_reserv(struct gfs2_inode *ip, unsigned int len, int gfs2_write_alloc_required(struct gfs2_inode *ip, uint64_t offset, unsigned int len, int *alloc_required); -int gfs2_get_file_meta(struct gfs2_inode *ip, struct gfs2_user_buffer *ub); - #endif /* __BMAP_DOT_H__ */ diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c index 6b1dc3dc..f6304e5 100644 --- a/fs/gfs2/dir.c +++ b/fs/gfs2/dir.c @@ -2104,54 +2104,3 @@ int gfs2_diradd_alloc_required(struct gfs2_inode *dip, struct qstr *filename, return error; } -/** - * do_gdm - copy out one leaf (or list of leaves) - * @dip: the directory - * @index: the hash table offset in the directory - * @len: the number of pointers to this leaf - * @leaf_no: the leaf number - * @data: a pointer to a struct gfs2_user_buffer structure - * - * Returns: errno - */ - -static int do_gdm(struct gfs2_inode *dip, uint32_t index, uint32_t len, - uint64_t leaf_no, void *data) -{ - struct gfs2_user_buffer *ub = (struct gfs2_user_buffer *)data; - struct gfs2_leaf leaf; - struct buffer_head *bh; - uint64_t blk; - int error = 0; - - for (blk = leaf_no; blk; blk = leaf.lf_next) { - error = get_leaf(dip, blk, &bh); - if (error) - break; - - gfs2_leaf_in(&leaf, bh->b_data); - - error = gfs2_add_bh_to_ub(ub, bh); - - brelse(bh); - - if (error) - break; - } - - return error; -} - -/** - * gfs2_get_dir_meta - return all the leaf blocks of a directory - * @dip: the directory - * @ub: the structure representing the meta - * - * Returns: errno - */ - -int gfs2_get_dir_meta(struct gfs2_inode *dip, struct gfs2_user_buffer *ub) -{ - return foreach_leaf(dip, do_gdm, ub); -} - diff --git a/fs/gfs2/dir.h b/fs/gfs2/dir.h index 79f77aa..ff6d1c5 100644 --- a/fs/gfs2/dir.h +++ b/fs/gfs2/dir.h @@ -46,6 +46,4 @@ int gfs2_dir_exhash_dealloc(struct gfs2_inode *dip); int gfs2_diradd_alloc_required(struct gfs2_inode *dip, struct qstr *filename, int *alloc_required); -int gfs2_get_dir_meta(struct gfs2_inode *ip, struct gfs2_user_buffer *ub); - #endif /* __DIR_DOT_H__ */ diff --git a/fs/gfs2/eattr.c b/fs/gfs2/eattr.c index 63a5cf1..dec55dc 100644 --- a/fs/gfs2/eattr.c +++ b/fs/gfs2/eattr.c @@ -1561,60 +1561,3 @@ int gfs2_ea_dealloc(struct gfs2_inode *ip) return error; } -/** - * gfs2_get_eattr_meta - return all the eattr blocks of a file - * @dip: the directory - * @ub: the structure representing the user buffer to copy to - * - * Returns: errno - */ - -int gfs2_get_eattr_meta(struct gfs2_inode *ip, struct gfs2_user_buffer *ub) -{ - struct buffer_head *bh; - int error; - - error = gfs2_meta_read(ip->i_gl, ip->i_di.di_eattr, - DIO_START | DIO_WAIT, &bh); - if (error) - return error; - - gfs2_add_bh_to_ub(ub, bh); - - if (ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT) { - struct buffer_head *eabh; - uint64_t *eablk, *end; - - if (gfs2_metatype_check(ip->i_sbd, bh, GFS2_METATYPE_IN)) { - error = -EIO; - goto out; - } - - eablk = (uint64_t *)(bh->b_data + - sizeof(struct gfs2_meta_header)); - end = eablk + ip->i_sbd->sd_inptrs; - - for (; eablk < end; eablk++) { - uint64_t bn; - - if (!*eablk) - break; - bn = be64_to_cpu(*eablk); - - error = gfs2_meta_read(ip->i_gl, bn, - DIO_START | DIO_WAIT, &eabh); - if (error) - break; - gfs2_add_bh_to_ub(ub, eabh); - brelse(eabh); - if (error) - break; - } - } - - out: - brelse(bh); - - return error; -} - diff --git a/fs/gfs2/eattr.h b/fs/gfs2/eattr.h index a640392..e5a42ab 100644 --- a/fs/gfs2/eattr.h +++ b/fs/gfs2/eattr.h @@ -74,8 +74,6 @@ int gfs2_ea_remove(struct gfs2_inode *ip, struct gfs2_ea_request *er); int gfs2_ea_dealloc(struct gfs2_inode *ip); -int gfs2_get_eattr_meta(struct gfs2_inode *ip, struct gfs2_user_buffer *ub); - /* Exported to acl.c */ int gfs2_ea_find(struct gfs2_inode *ip, diff --git a/fs/gfs2/util.c b/fs/gfs2/util.c index 74e2c62..ad49153 100644 --- a/fs/gfs2/util.c +++ b/fs/gfs2/util.c @@ -221,36 +221,6 @@ int gfs2_io_error_bh_i(struct gfs2_sbd *sdp, struct buffer_head *bh, return rv; } -/** - * gfs2_add_bh_to_ub - copy a buffer up to user space - * @ub: the structure representing where to copy - * @bh: the buffer - * - * Returns: errno - */ - -int gfs2_add_bh_to_ub(struct gfs2_user_buffer *ub, struct buffer_head *bh) -{ - uint64_t blkno = bh->b_blocknr; - - if (ub->ub_count + sizeof(uint64_t) + bh->b_size > ub->ub_size) - return -ENOMEM; - - if (copy_to_user(ub->ub_data + ub->ub_count, - &blkno, - sizeof(uint64_t))) - return -EFAULT; - ub->ub_count += sizeof(uint64_t); - - if (copy_to_user(ub->ub_data + ub->ub_count, - bh->b_data, - bh->b_size)) - return -EFAULT; - ub->ub_count += bh->b_size; - - return 0; -} - void gfs2_icbit_munge(struct gfs2_sbd *sdp, unsigned char **bitmap, unsigned int bit, int new_value) { diff --git a/fs/gfs2/util.h b/fs/gfs2/util.h index 21466fe..8d6eba3 100644 --- a/fs/gfs2/util.h +++ b/fs/gfs2/util.h @@ -152,14 +152,6 @@ extern kmem_cache_t *gfs2_glock_cachep; extern kmem_cache_t *gfs2_inode_cachep; extern kmem_cache_t *gfs2_bufdata_cachep; -struct gfs2_user_buffer { - char __user *ub_data; - unsigned int ub_size; - unsigned int ub_count; -}; - -int gfs2_add_bh_to_ub(struct gfs2_user_buffer *ub, struct buffer_head *bh); - static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt, unsigned int *p) { |
