37 lines
939 B
C
37 lines
939 B
C
/* Created (MFS based):
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* February 2010 (Evgeniy Ivanov)
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*/
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#include "fs.h"
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#include <minix/callnr.h>
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#include <minix/com.h>
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#include "inode.h"
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#include <minix/vfsif.h>
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/*===========================================================================*
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* fs_utime *
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*===========================================================================*/
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int fs_utime()
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{
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register struct inode *rip;
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register int r;
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/* Temporarily open the file. */
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if( (rip = get_inode(fs_dev, (ino_t) fs_m_in.REQ_INODE_NR)) == NULL)
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return(EINVAL);
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/* Only the owner of a file or the super_user can change its time. */
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r = OK;
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if(read_only(rip) != OK) r = EROFS; /* not even su can touch if R/O */
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if(r == OK) {
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rip->i_atime = fs_m_in.REQ_ACTIME;
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rip->i_mtime = fs_m_in.REQ_MODTIME;
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rip->i_update = CTIME; /* discard any stale ATIME and MTIME flags */
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rip->i_dirt = DIRTY;
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}
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put_inode(rip);
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return(r);
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}
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