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Message types for VFS ftrunc

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Change-Id: I593a4d91b1d974f632f6cb4eb23aabee5b65df7b
This commit is contained in:
Lionel Sambuc 2014-04-29 19:33:47 +02:00
parent a725c62a66
commit 135346dfc3
7 changed files with 28 additions and 18 deletions
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10
include/minix/ipc.h
View file

@ -178,6 +178,15 @@ typedef struct {
} mess_vfs_fs_flush;
_ASSERT_MSG_SIZE(mess_vfs_fs_flush);
typedef struct {
ino_t inode;
off_t trc_start;
off_t trc_end;
uint8_t data[32];
} mess_vfs_fs_ftrunc;
_ASSERT_MSG_SIZE(mess_vfs_fs_ftrunc);
typedef struct {
ino_t dir_ino;
ino_t root_ino;
@ -356,6 +365,7 @@ typedef struct {
mess_vfs_fs_create m_vfs_fs_create;
mess_fs_vfs_create m_fs_vfs_create;
mess_vfs_fs_flush m_vfs_fs_flush;
mess_vfs_fs_ftrunc m_vfs_fs_ftrunc;
mess_vfs_fs_lookup m_vfs_fs_lookup;
mess_fs_vfs_lookup m_fs_vfs_lookup;
mess_vfs_fs_mountpoint m_vfs_fs_mountpoint;

6
lib/libpuffs/link.c
View file

@ -19,11 +19,11 @@ int fs_ftrunc(void)
off_t start, end;
PUFFS_MAKECRED(pcr, &global_kcred);
if ((pn = puffs_pn_nodewalk(global_pu, 0, &fs_m_in.REQ_INODE_NR)) == NULL)
if ((pn = puffs_pn_nodewalk(global_pu, 0, &fs_m_in.m_vfs_fs_ftrunc.inode)) == NULL)
return(EINVAL);
start = fs_m_in.REQ_TRC_START;
end = fs_m_in.REQ_TRC_END;
start = fs_m_in.m_vfs_fs_ftrunc.trc_start;
end = fs_m_in.m_vfs_fs_ftrunc.trc_end;
if (end == 0) {
struct vattr va;

6
lib/libsffs/write.c
View file

@ -126,13 +126,13 @@ int do_ftrunc(void)
if (state.s_read_only)
return EROFS;
if ((ino = find_inode(m_in.REQ_INODE_NR)) == NULL)
if ((ino = find_inode(m_in.m_vfs_fs_ftrunc.inode)) == NULL)
return EINVAL;
if (IS_DIR(ino)) return EISDIR;
start = m_in.REQ_TRC_START;
end = m_in.REQ_TRC_END;
start = m_in.m_vfs_fs_ftrunc.trc_start;
end = m_in.m_vfs_fs_ftrunc.trc_end;
if (end == 0) {
/* Truncate or expand the file. */

6
servers/ext2/link.c
View file

@ -520,11 +520,11 @@ int fs_ftrunc(void)
off_t start, end;
int r;
if( (rip = find_inode(fs_dev, (pino_t) fs_m_in.REQ_INODE_NR)) == NULL)
if( (rip = find_inode(fs_dev, fs_m_in.m_vfs_fs_ftrunc.inode)) == NULL)
return(EINVAL);
start = fs_m_in.REQ_TRC_START;
end = fs_m_in.REQ_TRC_END;
start = fs_m_in.m_vfs_fs_ftrunc.trc_start;
end = fs_m_in.m_vfs_fs_ftrunc.trc_end;
if (end == 0)
r = truncate_inode(rip, start);

6
servers/mfs/link.c
View file

@ -492,14 +492,14 @@ int fs_ftrunc(void)
off_t start, end;
int r;
if( (rip = find_inode(fs_dev, (pino_t) fs_m_in.REQ_INODE_NR)) == NULL)
if( (rip = find_inode(fs_dev, fs_m_in.m_vfs_fs_ftrunc.inode)) == NULL)
return(EINVAL);
if(rip->i_sp->s_rd_only) {
r = EROFS;
} else {
start = fs_m_in.REQ_TRC_START;
end = fs_m_in.REQ_TRC_END;
start = fs_m_in.m_vfs_fs_ftrunc.trc_start;
end = fs_m_in.m_vfs_fs_ftrunc.trc_end;
if (end == 0)
r = truncate_inode(rip, start);

6
servers/pfs/link.c
View file

@ -10,13 +10,13 @@ int fs_ftrunc(message *fs_m_in, message *fs_m_out)
{
struct inode *rip;
off_t start;
pino_t inumb;
ino_t inumb;
inumb = (pino_t) fs_m_in->REQ_INODE_NR;
inumb = fs_m_in->m_vfs_fs_ftrunc.inode;
if( (rip = find_inode(inumb)) == NULL) return(EINVAL);
start = fs_m_in->REQ_TRC_START;
start = fs_m_in->m_vfs_fs_ftrunc.trc_start;
return truncate_inode(rip, start);
}

6
servers/vfs/request.c
View file

@ -265,9 +265,9 @@ int req_ftrunc(endpoint_t fs_e, ino_t inode_nr, off_t start, off_t end)
/* Fill in request message */
m.m_type = REQ_FTRUNC;
m.REQ_INODE_NR = (pino_t) inode_nr;
m.REQ_TRC_START = start;
m.REQ_TRC_END = end;
m.m_vfs_fs_ftrunc.inode = inode_nr;
m.m_vfs_fs_ftrunc.trc_start = start;
m.m_vfs_fs_ftrunc.trc_end = end;
if (!(vmp->m_fs_flags & RES_64BIT) &&
((start > INT_MAX) || (end > INT_MAX))) {