Jan Kara
2019-Jan-23 11:48 UTC
[Ocfs2-devel] [RFC][PATCH v5 05/09] ocfs2: use common file type conversion
On Mon 21-01-19 00:54:32, Phillip Potter wrote:> Deduplicate the ocfs2 file type conversion implementation and remove > OCFS2_FT_* definitions - file systems that use the same file types > as defined by POSIX do not need to define their own versions and can > use the common helper functions decared in fs_types.h and implemented > in fs_types.c > > Signed-off-by: Amir Goldstein <amir73il at gmail.com> > Signed-off-by: Phillip Potter <phil at philpotter.co.uk>The patch looks good to me. You can add: Reviewed-by: Jan Kara <jack at suse.cz> Honza> --- > fs/ocfs2/dir.c | 20 ++++---------------- > fs/ocfs2/ocfs2_fs.h | 28 +--------------------------- > 2 files changed, 5 insertions(+), 43 deletions(-) > > diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c > index c121abbdfc7d..85f21caaa6ec 100644 > --- a/fs/ocfs2/dir.c > +++ b/fs/ocfs2/dir.c > @@ -69,10 +69,6 @@ > #define NAMEI_RA_BLOCKS 4 > #define NAMEI_RA_SIZE (NAMEI_RA_CHUNKS * NAMEI_RA_BLOCKS) > > -static unsigned char ocfs2_filetype_table[] = { > - DT_UNKNOWN, DT_REG, DT_DIR, DT_CHR, DT_BLK, DT_FIFO, DT_SOCK, DT_LNK > -}; > - > static int ocfs2_do_extend_dir(struct super_block *sb, > handle_t *handle, > struct inode *dir, > @@ -1718,7 +1714,7 @@ int __ocfs2_add_entry(handle_t *handle, > de->rec_len = cpu_to_le16(OCFS2_DIR_REC_LEN(de->name_len)); > de = de1; > } > - de->file_type = OCFS2_FT_UNKNOWN; > + de->file_type = FT_UNKNOWN; > if (blkno) { > de->inode = cpu_to_le64(blkno); > ocfs2_set_de_type(de, inode->i_mode); > @@ -1803,13 +1799,9 @@ static int ocfs2_dir_foreach_blk_id(struct inode *inode, > } > offset += le16_to_cpu(de->rec_len); > if (le64_to_cpu(de->inode)) { > - unsigned char d_type = DT_UNKNOWN; > - > - if (de->file_type < OCFS2_FT_MAX) > - d_type = ocfs2_filetype_table[de->file_type]; > - > if (!dir_emit(ctx, de->name, de->name_len, > - le64_to_cpu(de->inode), d_type)) > + le64_to_cpu(de->inode), > + fs_ftype_to_dtype(de->file_type))) > goto out; > } > ctx->pos += le16_to_cpu(de->rec_len); > @@ -1900,14 +1892,10 @@ static int ocfs2_dir_foreach_blk_el(struct inode *inode, > break; > } > if (le64_to_cpu(de->inode)) { > - unsigned char d_type = DT_UNKNOWN; > - > - if (de->file_type < OCFS2_FT_MAX) > - d_type = ocfs2_filetype_table[de->file_type]; > if (!dir_emit(ctx, de->name, > de->name_len, > le64_to_cpu(de->inode), > - d_type)) { > + fs_ftype_to_dtype(de->file_type))) { > brelse(bh); > return 0; > } > diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h > index 7071ad0dec90..b86bf5e74348 100644 > --- a/fs/ocfs2/ocfs2_fs.h > +++ b/fs/ocfs2/ocfs2_fs.h > @@ -391,21 +391,6 @@ static struct ocfs2_system_inode_info ocfs2_system_inodes[NUM_SYSTEM_INODES] = { > #define OCFS2_HB_LOCAL "heartbeat=local" > #define OCFS2_HB_GLOBAL "heartbeat=global" > > -/* > - * OCFS2 directory file types. Only the low 3 bits are used. The > - * other bits are reserved for now. > - */ > -#define OCFS2_FT_UNKNOWN 0 > -#define OCFS2_FT_REG_FILE 1 > -#define OCFS2_FT_DIR 2 > -#define OCFS2_FT_CHRDEV 3 > -#define OCFS2_FT_BLKDEV 4 > -#define OCFS2_FT_FIFO 5 > -#define OCFS2_FT_SOCK 6 > -#define OCFS2_FT_SYMLINK 7 > - > -#define OCFS2_FT_MAX 8 > - > /* > * OCFS2_DIR_PAD defines the directory entries boundaries > * > @@ -424,17 +409,6 @@ static struct ocfs2_system_inode_info ocfs2_system_inodes[NUM_SYSTEM_INODES] = { > #define OCFS2_LINKS_HI_SHIFT 16 > #define OCFS2_DX_ENTRIES_MAX (0xffffffffU) > > -#define S_SHIFT 12 > -static unsigned char ocfs2_type_by_mode[S_IFMT >> S_SHIFT] = { > - [S_IFREG >> S_SHIFT] = OCFS2_FT_REG_FILE, > - [S_IFDIR >> S_SHIFT] = OCFS2_FT_DIR, > - [S_IFCHR >> S_SHIFT] = OCFS2_FT_CHRDEV, > - [S_IFBLK >> S_SHIFT] = OCFS2_FT_BLKDEV, > - [S_IFIFO >> S_SHIFT] = OCFS2_FT_FIFO, > - [S_IFSOCK >> S_SHIFT] = OCFS2_FT_SOCK, > - [S_IFLNK >> S_SHIFT] = OCFS2_FT_SYMLINK, > -}; > - > > /* > * Convenience casts > @@ -1629,7 +1603,7 @@ static inline int ocfs2_sprintf_system_inode_name(char *buf, int len, > static inline void ocfs2_set_de_type(struct ocfs2_dir_entry *de, > umode_t mode) > { > - de->file_type = ocfs2_type_by_mode[(mode & S_IFMT)>>S_SHIFT]; > + de->file_type = fs_umode_to_ftype(mode); > } > > static inline int ocfs2_gd_is_discontig(struct ocfs2_group_desc *gd) > -- > 2.20.1 >-- Jan Kara <jack at suse.com> SUSE Labs, CR