0eeca28300
inotify is intended to correct the deficiencies of dnotify, particularly
its inability to scale and its terrible user interface:
* dnotify requires the opening of one fd per each directory
that you intend to watch. This quickly results in too many
open files and pins removable media, preventing unmount.
* dnotify is directory-based. You only learn about changes to
directories. Sure, a change to a file in a directory affects
the directory, but you are then forced to keep a cache of
stat structures.
* dnotify's interface to user-space is awful. Signals?
inotify provides a more usable, simple, powerful solution to file change
notification:
* inotify's interface is a system call that returns a fd, not SIGIO.
You get a single fd, which is select()-able.
* inotify has an event that says "the filesystem that the item
you were watching is on was unmounted."
* inotify can watch directories or files.
Inotify is currently used by Beagle (a desktop search infrastructure),
Gamin (a FAM replacement), and other projects.
See Documentation/filesystems/inotify.txt.
Signed-off-by: Robert Love <rml@novell.com>
Cc: John McCutchan <ttb@tentacle.dhs.org>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
100 lines
3.1 KiB
Makefile
100 lines
3.1 KiB
Makefile
#
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# Makefile for the Linux filesystems.
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#
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# 14 Sep 2000, Christoph Hellwig <hch@infradead.org>
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# Rewritten to use lists instead of if-statements.
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#
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obj-y := open.o read_write.o file_table.o buffer.o bio.o super.o \
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block_dev.o char_dev.o stat.o exec.o pipe.o namei.o fcntl.o \
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ioctl.o readdir.o select.o fifo.o locks.o dcache.o inode.o \
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attr.o bad_inode.o file.o filesystems.o namespace.o aio.o \
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seq_file.o xattr.o libfs.o fs-writeback.o mpage.o direct-io.o \
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ioprio.o
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obj-$(CONFIG_INOTIFY) += inotify.o
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obj-$(CONFIG_EPOLL) += eventpoll.o
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obj-$(CONFIG_COMPAT) += compat.o
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nfsd-$(CONFIG_NFSD) := nfsctl.o
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obj-y += $(nfsd-y) $(nfsd-m)
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obj-$(CONFIG_BINFMT_AOUT) += binfmt_aout.o
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obj-$(CONFIG_BINFMT_EM86) += binfmt_em86.o
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obj-$(CONFIG_BINFMT_MISC) += binfmt_misc.o
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# binfmt_script is always there
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obj-y += binfmt_script.o
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obj-$(CONFIG_BINFMT_ELF) += binfmt_elf.o
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obj-$(CONFIG_BINFMT_ELF_FDPIC) += binfmt_elf_fdpic.o
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obj-$(CONFIG_BINFMT_SOM) += binfmt_som.o
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obj-$(CONFIG_BINFMT_FLAT) += binfmt_flat.o
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obj-$(CONFIG_FS_MBCACHE) += mbcache.o
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obj-$(CONFIG_FS_POSIX_ACL) += posix_acl.o xattr_acl.o
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obj-$(CONFIG_NFS_COMMON) += nfs_common/
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obj-$(CONFIG_QUOTA) += dquot.o
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obj-$(CONFIG_QFMT_V1) += quota_v1.o
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obj-$(CONFIG_QFMT_V2) += quota_v2.o
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obj-$(CONFIG_QUOTACTL) += quota.o
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obj-$(CONFIG_DNOTIFY) += dnotify.o
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obj-$(CONFIG_PROC_FS) += proc/
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obj-y += partitions/
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obj-$(CONFIG_SYSFS) += sysfs/
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obj-y += devpts/
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obj-$(CONFIG_PROFILING) += dcookies.o
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# Do not add any filesystems before this line
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obj-$(CONFIG_REISERFS_FS) += reiserfs/
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obj-$(CONFIG_EXT3_FS) += ext3/ # Before ext2 so root fs can be ext3
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obj-$(CONFIG_JBD) += jbd/
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obj-$(CONFIG_EXT2_FS) += ext2/
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obj-$(CONFIG_CRAMFS) += cramfs/
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obj-$(CONFIG_RAMFS) += ramfs/
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obj-$(CONFIG_HUGETLBFS) += hugetlbfs/
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obj-$(CONFIG_CODA_FS) += coda/
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obj-$(CONFIG_MINIX_FS) += minix/
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obj-$(CONFIG_FAT_FS) += fat/
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obj-$(CONFIG_MSDOS_FS) += msdos/
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obj-$(CONFIG_VFAT_FS) += vfat/
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obj-$(CONFIG_BFS_FS) += bfs/
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obj-$(CONFIG_ISO9660_FS) += isofs/
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obj-$(CONFIG_DEVFS_FS) += devfs/
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obj-$(CONFIG_HFSPLUS_FS) += hfsplus/ # Before hfs to find wrapped HFS+
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obj-$(CONFIG_HFS_FS) += hfs/
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obj-$(CONFIG_VXFS_FS) += freevxfs/
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obj-$(CONFIG_NFS_FS) += nfs/
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obj-$(CONFIG_EXPORTFS) += exportfs/
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obj-$(CONFIG_NFSD) += nfsd/
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obj-$(CONFIG_LOCKD) += lockd/
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obj-$(CONFIG_NLS) += nls/
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obj-$(CONFIG_SYSV_FS) += sysv/
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obj-$(CONFIG_SMB_FS) += smbfs/
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obj-$(CONFIG_CIFS) += cifs/
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obj-$(CONFIG_NCP_FS) += ncpfs/
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obj-$(CONFIG_HPFS_FS) += hpfs/
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obj-$(CONFIG_NTFS_FS) += ntfs/
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obj-$(CONFIG_UFS_FS) += ufs/
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obj-$(CONFIG_EFS_FS) += efs/
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obj-$(CONFIG_JFFS_FS) += jffs/
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obj-$(CONFIG_JFFS2_FS) += jffs2/
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obj-$(CONFIG_AFFS_FS) += affs/
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obj-$(CONFIG_ROMFS_FS) += romfs/
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obj-$(CONFIG_QNX4FS_FS) += qnx4/
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obj-$(CONFIG_AUTOFS_FS) += autofs/
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obj-$(CONFIG_AUTOFS4_FS) += autofs4/
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obj-$(CONFIG_ADFS_FS) += adfs/
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obj-$(CONFIG_UDF_FS) += udf/
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obj-$(CONFIG_SUN_OPENPROMFS) += openpromfs/
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obj-$(CONFIG_JFS_FS) += jfs/
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obj-$(CONFIG_XFS_FS) += xfs/
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obj-$(CONFIG_AFS_FS) += afs/
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obj-$(CONFIG_BEFS_FS) += befs/
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obj-$(CONFIG_HOSTFS) += hostfs/
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obj-$(CONFIG_HPPFS) += hppfs/
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obj-$(CONFIG_DEBUG_FS) += debugfs/
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