diff options
Diffstat (limited to 'fs/gfs2/dir.c')
| -rw-r--r-- | fs/gfs2/dir.c | 52 |
1 files changed, 28 insertions, 24 deletions
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c index c0f2875c946c..18f67b37d6f8 100644 --- a/fs/gfs2/dir.c +++ b/fs/gfs2/dir.c @@ -159,7 +159,7 @@ static int gfs2_dir_write_data(struct gfs2_inode *ip, const char *buf, unsigned int o; int copied = 0; int error = 0; - int new = 0; + bool new = false; if (!size) return 0; @@ -189,9 +189,9 @@ static int gfs2_dir_write_data(struct gfs2_inode *ip, const char *buf, amount = sdp->sd_sb.sb_bsize - o; if (!extlen) { - new = 1; - error = gfs2_extent_map(&ip->i_inode, lblock, &new, - &dblock, &extlen); + extlen = 1; + error = gfs2_alloc_extent(&ip->i_inode, lblock, &dblock, + &extlen, &new); if (error) goto fail; error = -EIO; @@ -286,15 +286,14 @@ static int gfs2_dir_read_data(struct gfs2_inode *ip, __be64 *buf, while (copied < size) { unsigned int amount; struct buffer_head *bh; - int new; amount = size - copied; if (amount > sdp->sd_sb.sb_bsize - o) amount = sdp->sd_sb.sb_bsize - o; if (!extlen) { - new = 0; - error = gfs2_extent_map(&ip->i_inode, lblock, &new, + extlen = 32; + error = gfs2_get_extent(&ip->i_inode, lblock, &dblock, &extlen); if (error || !dblock) goto fail; @@ -770,14 +769,13 @@ static int get_leaf(struct gfs2_inode *dip, u64 leaf_no, /** * get_leaf_nr - Get a leaf number associated with the index * @dip: The GFS2 inode - * @index: - * @leaf_out: + * @index: hash table index of the targeted leaf + * @leaf_out: Resulting leaf block number * * Returns: 0 on success, error code otherwise */ -static int get_leaf_nr(struct gfs2_inode *dip, u32 index, - u64 *leaf_out) +static int get_leaf_nr(struct gfs2_inode *dip, u32 index, u64 *leaf_out) { __be64 *hash; int error; @@ -898,7 +896,7 @@ static struct gfs2_leaf *new_leaf(struct inode *inode, struct buffer_head **pbh, /** * dir_make_exhash - Convert a stuffed directory into an ExHash directory - * @dip: The GFS2 inode + * @inode: The directory inode to be converted to exhash * * Returns: 0 on success, error code otherwise */ @@ -991,9 +989,8 @@ static int dir_make_exhash(struct inode *inode) /** * dir_split_leaf - Split a leaf block into two - * @dip: The GFS2 inode - * @index: - * @leaf_no: + * @inode: The directory inode to be split + * @name: name of the dirent we're trying to insert * * Returns: 0 on success, error code on failure */ @@ -1252,6 +1249,7 @@ static int compare_dents(const void *a, const void *b) * @ctx: what to feed the entries to * @darr: an array of struct gfs2_dirent pointers to read * @entries: the number of entries in darr + * @sort_start: index of the directory array to start our sort * @copied: pointer to int that's non-zero if a entry has been copied out * * Jump through some hoops to make sure that if there are hash collsions, @@ -1468,6 +1466,10 @@ out: /** * gfs2_dir_readahead - Issue read-ahead requests for leaf blocks. + * @inode: the directory inode + * @hsize: hash table size + * @index: index into the hash table + * @f_ra: read-ahead parameters * * Note: we can't calculate each index like dir_e_read can because we don't * have the leaf, and therefore we don't have the depth, and therefore we @@ -1517,8 +1519,9 @@ static void gfs2_dir_readahead(struct inode *inode, unsigned hsize, u32 index, /** * dir_e_read - Reads the entries from a directory into a filldir buffer - * @dip: dinode pointer + * @inode: the directory inode * @ctx: actor to feed the entries to + * @f_ra: read-ahead parameters * * Returns: errno */ @@ -1627,7 +1630,7 @@ out: /** * gfs2_dir_search - Search a directory - * @dip: The GFS2 dir inode + * @dir: The GFS2 directory inode * @name: The name we are looking up * @fail_on_exist: Fail if the name exists rather than looking it up * @@ -1864,7 +1867,7 @@ int gfs2_dir_add(struct inode *inode, const struct qstr *name, /** * gfs2_dir_del - Delete a directory entry * @dip: The GFS2 inode - * @filename: The filename + * @dentry: The directory entry we want to delete * * Returns: 0 on success, error code on failure */ @@ -1918,9 +1921,10 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct dentry *dentry) /** * gfs2_dir_mvino - Change inode number of directory entry - * @dip: The GFS2 inode - * @filename: - * @new_inode: + * @dip: The GFS2 directory inode + * @filename: the filename to be moved + * @nip: the new GFS2 inode + * @new_type: the de_type of the new dirent * * This routine changes the inode number of a directory entry. It's used * by rename to change ".." when a directory is moved. @@ -1960,7 +1964,7 @@ int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename, * @len: the number of pointers to this leaf * @leaf_no: the leaf number * @leaf_bh: buffer_head for the starting leaf - * last_dealloc: 1 if this is the final dealloc for the leaf, else 0 + * @last_dealloc: 1 if this is the final dealloc for the leaf, else 0 * * Returns: errno */ @@ -2142,8 +2146,8 @@ out: /** * gfs2_diradd_alloc_required - find if adding entry will require an allocation - * @ip: the file being written to - * @filname: the filename that's going to be added + * @inode: the directory inode being written to + * @name: the filename that's going to be added * @da: The structure to return dir alloc info * * Returns: 0 if ok, -ve on error |