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xfs: factor the ag length extension code into libxfs

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Growfs currently manually codes the extension of the last AG in a
filesytem during the growfs process. Factor that out of the growfs
code and move it into libxfs along with teh rest of the AG header
modification code.

Signed-Off-By: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Dave Chinner
2018-05-13 23:10:08 -07:00
committed by Darrick J. Wong
parent b16817b66b
commit 49dd56f26e
3 changed files with 68 additions and 57 deletions
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7
fs/xfs/libxfs/xfs_ag.h
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@@ -7,6 +7,9 @@
#ifndef __LIBXFS_AG_H
#define __LIBXFS_AG_H 1
struct xfs_mount;
struct xfs_trans;
struct aghdr_init_data {
/* per ag data */
xfs_agblock_t agno; /* ag to init */
@@ -20,6 +23,8 @@ struct aghdr_init_data {
xfs_btnum_t type; /* type of btree root block */
};
int xfs_ag_init_headers( struct xfs_mount *mp, struct aghdr_init_data *id);
int xfs_ag_init_headers(struct xfs_mount *mp, struct aghdr_init_data *id);
int xfs_ag_extend_space(struct xfs_mount *mp, struct xfs_trans *tp,
struct aghdr_init_data *id, xfs_extlen_t len);
#endif /* __LIBXFS_AG_H */