diff options
Diffstat (limited to 'fs/gfs2/trans.h')
| -rw-r--r-- | fs/gfs2/trans.h | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/fs/gfs2/trans.h b/fs/gfs2/trans.h index e826f0dab80..1e6e7da25a1 100644 --- a/fs/gfs2/trans.h +++ b/fs/gfs2/trans.h @@ -20,19 +20,28 @@ struct gfs2_glock; #define RES_JDATA 1 #define RES_DATA 1 #define RES_LEAF 1 +#define RES_RG_HDR 1 #define RES_RG_BIT 2 #define RES_EATTR 1 #define RES_STATFS 1 #define RES_QUOTA 2 -int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks, - unsigned int revokes); +/* reserve either the number of blocks to be allocated plus the rg header + * block, or all of the blocks in the rg, whichever is smaller */ +static inline unsigned int gfs2_rg_blocks(const struct gfs2_inode *ip, unsigned requested) +{ + if (requested < ip->i_rgd->rd_length) + return requested + 1; + return ip->i_rgd->rd_length; +} -void gfs2_trans_end(struct gfs2_sbd *sdp); +extern int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks, + unsigned int revokes); -void gfs2_trans_add_bh(struct gfs2_glock *gl, struct buffer_head *bh, int meta); -void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd); -void gfs2_trans_add_unrevoke(struct gfs2_sbd *sdp, u64 blkno); -void gfs2_trans_add_rg(struct gfs2_rgrpd *rgd); +extern void gfs2_trans_end(struct gfs2_sbd *sdp); +extern void gfs2_trans_add_data(struct gfs2_glock *gl, struct buffer_head *bh); +extern void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh); +extern void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd); +extern void gfs2_trans_add_unrevoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len); #endif /* __TRANS_DOT_H__ */ |